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1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- | |
2 | // vim: ts=8 sw=2 smarttab | |
3 | ||
4 | #include <boost/algorithm/string/predicate.hpp> | |
5 | #include <boost/format.hpp> | |
6 | #include <boost/optional.hpp> | |
7 | #include <boost/utility/in_place_factory.hpp> | |
8 | ||
9 | #include "include/assert.h" | |
10 | #include "ceph_ver.h" | |
11 | ||
12 | #include "common/Formatter.h" | |
13 | #include "common/utf8.h" | |
14 | #include "common/ceph_json.h" | |
15 | ||
16 | #include "rgw_rest_swift.h" | |
17 | #include "rgw_acl_swift.h" | |
18 | #include "rgw_cors_swift.h" | |
19 | #include "rgw_formats.h" | |
20 | #include "rgw_client_io.h" | |
21 | ||
22 | #include "rgw_auth.h" | |
23 | #include "rgw_swift_auth.h" | |
24 | ||
25 | #include "rgw_request.h" | |
26 | #include "rgw_process.h" | |
27 | ||
28 | #include <array> | |
29 | #include <sstream> | |
30 | #include <memory> | |
31 | ||
32 | #include <boost/utility/string_ref.hpp> | |
33 | ||
34 | #define dout_context g_ceph_context | |
35 | #define dout_subsys ceph_subsys_rgw | |
36 | ||
37 | int RGWListBuckets_ObjStore_SWIFT::get_params() | |
38 | { | |
39 | prefix = s->info.args.get("prefix"); | |
40 | marker = s->info.args.get("marker"); | |
41 | end_marker = s->info.args.get("end_marker"); | |
42 | wants_reversed = s->info.args.exists("reverse"); | |
43 | ||
44 | if (wants_reversed) { | |
45 | std::swap(marker, end_marker); | |
46 | } | |
47 | ||
48 | std::string limit_str = s->info.args.get("limit"); | |
49 | if (!limit_str.empty()) { | |
50 | std::string err; | |
51 | long l = strict_strtol(limit_str.c_str(), 10, &err); | |
52 | if (!err.empty()) { | |
53 | return -EINVAL; | |
54 | } | |
55 | ||
56 | if (l > (long)limit_max || l < 0) { | |
57 | return -ERR_PRECONDITION_FAILED; | |
58 | } | |
59 | ||
60 | limit = (uint64_t)l; | |
61 | } | |
62 | ||
63 | if (s->cct->_conf->rgw_swift_need_stats) { | |
64 | bool stats, exists; | |
65 | int r = s->info.args.get_bool("stats", &stats, &exists); | |
66 | ||
67 | if (r < 0) { | |
68 | return r; | |
69 | } | |
70 | ||
71 | if (exists) { | |
72 | need_stats = stats; | |
73 | } | |
74 | } else { | |
75 | need_stats = false; | |
76 | } | |
77 | ||
78 | return 0; | |
79 | } | |
80 | ||
81 | static void dump_account_metadata(struct req_state * const s, | |
82 | const RGWUsageStats& global_stats, | |
83 | const std::map<std::string, RGWUsageStats> policies_stats, | |
84 | /* const */map<string, bufferlist>& attrs, | |
85 | const RGWQuotaInfo& quota, | |
86 | const RGWAccessControlPolicy_SWIFTAcct &policy) | |
87 | { | |
88 | /* Adding X-Timestamp to keep align with Swift API */ | |
89 | dump_header(s, "X-Timestamp", ceph_clock_now()); | |
90 | ||
91 | dump_header(s, "X-Account-Container-Count", global_stats.buckets_count); | |
92 | dump_header(s, "X-Account-Object-Count", global_stats.objects_count); | |
93 | dump_header(s, "X-Account-Bytes-Used", global_stats.bytes_used); | |
94 | dump_header(s, "X-Account-Bytes-Used-Actual", global_stats.bytes_used_rounded); | |
95 | ||
96 | for (const auto& kv : policies_stats) { | |
97 | const auto& policy_name = camelcase_dash_http_attr(kv.first); | |
98 | const auto& policy_stats = kv.second; | |
99 | ||
100 | dump_header_infixed(s, "X-Account-Storage-Policy-", policy_name, | |
101 | "-Container-Count", policy_stats.buckets_count); | |
102 | dump_header_infixed(s, "X-Account-Storage-Policy-", policy_name, | |
103 | "-Object-Count", policy_stats.objects_count); | |
104 | dump_header_infixed(s, "X-Account-Storage-Policy-", policy_name, | |
105 | "-Bytes-Used", policy_stats.bytes_used); | |
106 | dump_header_infixed(s, "X-Account-Storage-Policy-", policy_name, | |
107 | "-Bytes-Used-Actual", policy_stats.bytes_used_rounded); | |
108 | } | |
109 | ||
110 | /* Dump TempURL-related stuff */ | |
111 | if (s->perm_mask == RGW_PERM_FULL_CONTROL) { | |
112 | auto iter = s->user->temp_url_keys.find(0); | |
113 | if (iter != std::end(s->user->temp_url_keys) && ! iter->second.empty()) { | |
114 | dump_header(s, "X-Account-Meta-Temp-Url-Key", iter->second); | |
115 | } | |
116 | ||
117 | iter = s->user->temp_url_keys.find(1); | |
118 | if (iter != std::end(s->user->temp_url_keys) && ! iter->second.empty()) { | |
119 | dump_header(s, "X-Account-Meta-Temp-Url-Key-2", iter->second); | |
120 | } | |
121 | } | |
122 | ||
123 | /* Dump quota headers. */ | |
124 | if (quota.enabled) { | |
125 | if (quota.max_size >= 0) { | |
126 | dump_header(s, "X-Account-Meta-Quota-Bytes", quota.max_size); | |
127 | } | |
128 | ||
129 | /* Limit on the number of objects in a given account is a RadosGW's | |
130 | * extension. Swift's account quota WSGI filter doesn't support it. */ | |
131 | if (quota.max_objects >= 0) { | |
132 | dump_header(s, "X-Account-Meta-Quota-Count", quota.max_objects); | |
133 | } | |
134 | } | |
135 | ||
136 | /* Dump user-defined metadata items and generic attrs. */ | |
137 | const size_t PREFIX_LEN = sizeof(RGW_ATTR_META_PREFIX) - 1; | |
138 | map<string, bufferlist>::iterator iter; | |
139 | for (iter = attrs.lower_bound(RGW_ATTR_PREFIX); iter != attrs.end(); ++iter) { | |
140 | const char *name = iter->first.c_str(); | |
141 | map<string, string>::const_iterator geniter = rgw_to_http_attrs.find(name); | |
142 | ||
143 | if (geniter != rgw_to_http_attrs.end()) { | |
144 | dump_header(s, geniter->second, iter->second); | |
145 | } else if (strncmp(name, RGW_ATTR_META_PREFIX, PREFIX_LEN) == 0) { | |
146 | dump_header_prefixed(s, "X-Account-Meta-", | |
147 | camelcase_dash_http_attr(name + PREFIX_LEN), | |
148 | iter->second); | |
149 | } | |
150 | } | |
151 | ||
152 | /* Dump account ACLs */ | |
153 | auto account_acls = policy.to_str(); | |
154 | if (account_acls) { | |
155 | dump_header(s, "X-Account-Access-Control", std::move(*account_acls)); | |
156 | } | |
157 | } | |
158 | ||
159 | void RGWListBuckets_ObjStore_SWIFT::send_response_begin(bool has_buckets) | |
160 | { | |
161 | if (op_ret) { | |
162 | set_req_state_err(s, op_ret); | |
163 | } else if (!has_buckets && s->format == RGW_FORMAT_PLAIN) { | |
164 | op_ret = STATUS_NO_CONTENT; | |
165 | set_req_state_err(s, op_ret); | |
166 | } | |
167 | ||
168 | if (! s->cct->_conf->rgw_swift_enforce_content_length) { | |
169 | /* Adding account stats in the header to keep align with Swift API */ | |
170 | dump_account_metadata(s, | |
171 | global_stats, | |
172 | policies_stats, | |
173 | attrs, | |
174 | user_quota, | |
175 | static_cast<RGWAccessControlPolicy_SWIFTAcct&>(*s->user_acl)); | |
176 | dump_errno(s); | |
177 | end_header(s, NULL, NULL, NO_CONTENT_LENGTH, true); | |
178 | } | |
179 | ||
180 | if (! op_ret) { | |
181 | dump_start(s); | |
182 | s->formatter->open_array_section_with_attrs("account", | |
183 | FormatterAttrs("name", s->user->display_name.c_str(), NULL)); | |
184 | ||
185 | sent_data = true; | |
186 | } | |
187 | } | |
188 | ||
189 | void RGWListBuckets_ObjStore_SWIFT::handle_listing_chunk(RGWUserBuckets&& buckets) | |
190 | { | |
191 | if (wants_reversed) { | |
192 | /* Just store in the reversal buffer. Its content will be handled later, | |
193 | * in send_response_end(). */ | |
194 | reverse_buffer.emplace(std::begin(reverse_buffer), std::move(buckets)); | |
195 | } else { | |
196 | return send_response_data(buckets); | |
197 | } | |
198 | } | |
199 | ||
200 | void RGWListBuckets_ObjStore_SWIFT::send_response_data(RGWUserBuckets& buckets) | |
201 | { | |
202 | if (! sent_data) { | |
203 | return; | |
204 | } | |
205 | ||
206 | /* Take care of the prefix parameter of Swift API. There is no business | |
207 | * in applying the filter earlier as we really need to go through all | |
208 | * entries regardless of it (the headers like X-Account-Container-Count | |
209 | * aren't affected by specifying prefix). */ | |
210 | const std::map<std::string, RGWBucketEnt>& m = buckets.get_buckets(); | |
211 | for (auto iter = m.lower_bound(prefix); | |
212 | iter != m.end() && boost::algorithm::starts_with(iter->first, prefix); | |
213 | ++iter) { | |
214 | dump_bucket_entry(iter->second); | |
215 | } | |
216 | } | |
217 | ||
218 | void RGWListBuckets_ObjStore_SWIFT::dump_bucket_entry(const RGWBucketEnt& obj) | |
219 | { | |
220 | s->formatter->open_object_section("container"); | |
221 | s->formatter->dump_string("name", obj.bucket.name); | |
222 | ||
223 | if (need_stats) { | |
224 | s->formatter->dump_int("count", obj.count); | |
225 | s->formatter->dump_int("bytes", obj.size); | |
226 | } | |
227 | ||
228 | s->formatter->close_section(); | |
229 | ||
230 | if (! s->cct->_conf->rgw_swift_enforce_content_length) { | |
231 | rgw_flush_formatter(s, s->formatter); | |
232 | } | |
233 | } | |
234 | ||
235 | void RGWListBuckets_ObjStore_SWIFT::send_response_data_reversed(RGWUserBuckets& buckets) | |
236 | { | |
237 | if (! sent_data) { | |
238 | return; | |
239 | } | |
240 | ||
241 | /* Take care of the prefix parameter of Swift API. There is no business | |
242 | * in applying the filter earlier as we really need to go through all | |
243 | * entries regardless of it (the headers like X-Account-Container-Count | |
244 | * aren't affected by specifying prefix). */ | |
245 | std::map<std::string, RGWBucketEnt>& m = buckets.get_buckets(); | |
246 | ||
247 | auto iter = m.rbegin(); | |
248 | for (/* initialized above */; | |
249 | iter != m.rend() && !boost::algorithm::starts_with(iter->first, prefix); | |
250 | ++iter) { | |
251 | /* NOP */; | |
252 | } | |
253 | ||
254 | for (/* iter carried */; | |
255 | iter != m.rend() && boost::algorithm::starts_with(iter->first, prefix); | |
256 | ++iter) { | |
257 | dump_bucket_entry(iter->second); | |
258 | } | |
259 | } | |
260 | ||
261 | void RGWListBuckets_ObjStore_SWIFT::send_response_end() | |
262 | { | |
263 | if (wants_reversed) { | |
264 | for (auto& buckets : reverse_buffer) { | |
265 | send_response_data_reversed(buckets); | |
266 | } | |
267 | } | |
268 | ||
269 | if (sent_data) { | |
270 | s->formatter->close_section(); | |
271 | } | |
272 | ||
273 | if (s->cct->_conf->rgw_swift_enforce_content_length) { | |
274 | /* Adding account stats in the header to keep align with Swift API */ | |
275 | dump_account_metadata(s, | |
276 | global_stats, | |
277 | policies_stats, | |
278 | attrs, | |
279 | user_quota, | |
280 | static_cast<RGWAccessControlPolicy_SWIFTAcct&>(*s->user_acl)); | |
281 | dump_errno(s); | |
282 | end_header(s, nullptr, nullptr, s->formatter->get_len(), true); | |
283 | } | |
284 | ||
285 | if (sent_data || s->cct->_conf->rgw_swift_enforce_content_length) { | |
286 | rgw_flush_formatter_and_reset(s, s->formatter); | |
287 | } | |
288 | } | |
289 | ||
290 | int RGWListBucket_ObjStore_SWIFT::get_params() | |
291 | { | |
292 | prefix = s->info.args.get("prefix"); | |
293 | marker = s->info.args.get("marker"); | |
294 | end_marker = s->info.args.get("end_marker"); | |
295 | max_keys = s->info.args.get("limit"); | |
296 | op_ret = parse_max_keys(); | |
297 | if (op_ret < 0) { | |
298 | return op_ret; | |
299 | } | |
300 | if (max > default_max) | |
301 | return -ERR_PRECONDITION_FAILED; | |
302 | ||
303 | delimiter = s->info.args.get("delimiter"); | |
304 | ||
305 | string path_args; | |
306 | if (s->info.args.exists("path")) { // should handle empty path | |
307 | path_args = s->info.args.get("path"); | |
308 | if (!delimiter.empty() || !prefix.empty()) { | |
309 | return -EINVAL; | |
310 | } | |
311 | prefix = path_args; | |
312 | delimiter="/"; | |
313 | ||
314 | path = prefix; | |
315 | if (path.size() && path[path.size() - 1] != '/') | |
316 | path.append("/"); | |
317 | ||
318 | int len = prefix.size(); | |
319 | int delim_size = delimiter.size(); | |
320 | ||
321 | if (len >= delim_size) { | |
322 | if (prefix.substr(len - delim_size).compare(delimiter) != 0) | |
323 | prefix.append(delimiter); | |
324 | } | |
325 | } | |
326 | ||
327 | return 0; | |
328 | } | |
329 | ||
330 | static void dump_container_metadata(struct req_state *, | |
331 | const RGWBucketEnt&, | |
332 | const RGWQuotaInfo&, | |
333 | const RGWBucketWebsiteConf&); | |
334 | ||
335 | void RGWListBucket_ObjStore_SWIFT::send_response() | |
336 | { | |
337 | vector<rgw_bucket_dir_entry>::iterator iter = objs.begin(); | |
338 | map<string, bool>::iterator pref_iter = common_prefixes.begin(); | |
339 | ||
340 | dump_start(s); | |
341 | dump_container_metadata(s, bucket, bucket_quota, | |
342 | s->bucket_info.website_conf); | |
343 | ||
344 | s->formatter->open_array_section_with_attrs("container", FormatterAttrs("name", s->bucket.name.c_str(), NULL)); | |
345 | ||
346 | while (iter != objs.end() || pref_iter != common_prefixes.end()) { | |
347 | bool do_pref = false; | |
348 | bool do_objs = false; | |
349 | rgw_obj_key key; | |
350 | if (iter != objs.end()) { | |
351 | key = iter->key; | |
352 | } | |
353 | if (pref_iter == common_prefixes.end()) | |
354 | do_objs = true; | |
355 | else if (iter == objs.end()) | |
356 | do_pref = true; | |
357 | else if (!key.empty() && key.name.compare(pref_iter->first) == 0) { | |
358 | do_objs = true; | |
359 | ++pref_iter; | |
360 | } else if (!key.empty() && key.name.compare(pref_iter->first) <= 0) | |
361 | do_objs = true; | |
362 | else | |
363 | do_pref = true; | |
364 | ||
365 | if (do_objs && (marker.empty() || marker < key)) { | |
366 | if (key.name.compare(path) == 0) | |
367 | goto next; | |
368 | ||
369 | s->formatter->open_object_section("object"); | |
370 | s->formatter->dump_string("name", key.name); | |
371 | s->formatter->dump_string("hash", iter->meta.etag); | |
372 | s->formatter->dump_int("bytes", iter->meta.accounted_size); | |
373 | if (!iter->meta.user_data.empty()) | |
374 | s->formatter->dump_string("user_custom_data", iter->meta.user_data); | |
375 | string single_content_type = iter->meta.content_type; | |
376 | if (iter->meta.content_type.size()) { | |
377 | // content type might hold multiple values, just dump the last one | |
378 | ssize_t pos = iter->meta.content_type.rfind(','); | |
379 | if (pos > 0) { | |
380 | ++pos; | |
381 | while (single_content_type[pos] == ' ') | |
382 | ++pos; | |
383 | single_content_type = single_content_type.substr(pos); | |
384 | } | |
385 | s->formatter->dump_string("content_type", single_content_type); | |
386 | } | |
387 | dump_time(s, "last_modified", &iter->meta.mtime); | |
388 | s->formatter->close_section(); | |
389 | } | |
390 | ||
391 | if (do_pref && (marker.empty() || pref_iter->first.compare(marker.name) > 0)) { | |
392 | const string& name = pref_iter->first; | |
393 | if (name.compare(delimiter) == 0) | |
394 | goto next; | |
395 | ||
396 | s->formatter->open_object_section_with_attrs("subdir", FormatterAttrs("name", name.c_str(), NULL)); | |
397 | ||
398 | /* swift is a bit inconsistent here */ | |
399 | switch (s->format) { | |
400 | case RGW_FORMAT_XML: | |
401 | s->formatter->dump_string("name", name); | |
402 | break; | |
403 | default: | |
404 | s->formatter->dump_string("subdir", name); | |
405 | } | |
406 | s->formatter->close_section(); | |
407 | } | |
408 | next: | |
409 | if (do_objs) | |
410 | ++iter; | |
411 | else | |
412 | ++pref_iter; | |
413 | } | |
414 | ||
415 | s->formatter->close_section(); | |
416 | ||
417 | int64_t content_len = 0; | |
418 | if (! op_ret) { | |
419 | content_len = s->formatter->get_len(); | |
420 | if (content_len == 0) { | |
421 | op_ret = STATUS_NO_CONTENT; | |
422 | } | |
423 | } else if (op_ret > 0) { | |
424 | op_ret = 0; | |
425 | } | |
426 | ||
427 | set_req_state_err(s, op_ret); | |
428 | dump_errno(s); | |
429 | end_header(s, this, NULL, content_len); | |
430 | if (op_ret < 0) { | |
431 | return; | |
432 | } | |
433 | ||
434 | rgw_flush_formatter_and_reset(s, s->formatter); | |
435 | } | |
436 | ||
437 | static void dump_container_metadata(struct req_state *s, | |
438 | const RGWBucketEnt& bucket, | |
439 | const RGWQuotaInfo& quota, | |
440 | const RGWBucketWebsiteConf& ws_conf) | |
441 | { | |
442 | /* Adding X-Timestamp to keep align with Swift API */ | |
443 | dump_header(s, "X-Timestamp", utime_t(s->bucket_info.creation_time)); | |
444 | ||
445 | dump_header(s, "X-Container-Object-Count", bucket.count); | |
446 | dump_header(s, "X-Container-Bytes-Used", bucket.size); | |
447 | dump_header(s, "X-Container-Bytes-Used-Actual", bucket.size_rounded); | |
448 | ||
449 | if (s->object.empty()) { | |
450 | auto swift_policy = \ | |
451 | static_cast<RGWAccessControlPolicy_SWIFT*>(s->bucket_acl.get()); | |
452 | std::string read_acl, write_acl; | |
453 | swift_policy->to_str(read_acl, write_acl); | |
454 | ||
455 | if (read_acl.size()) { | |
456 | dump_header(s, "X-Container-Read", read_acl); | |
457 | } | |
458 | if (write_acl.size()) { | |
459 | dump_header(s, "X-Container-Write", write_acl); | |
460 | } | |
461 | if (!s->bucket_info.placement_rule.empty()) { | |
462 | dump_header(s, "X-Storage-Policy", s->bucket_info.placement_rule); | |
463 | } | |
464 | ||
465 | /* Dump user-defined metadata items and generic attrs. */ | |
466 | const size_t PREFIX_LEN = sizeof(RGW_ATTR_META_PREFIX) - 1; | |
467 | map<string, bufferlist>::iterator iter; | |
468 | for (iter = s->bucket_attrs.lower_bound(RGW_ATTR_PREFIX); | |
469 | iter != s->bucket_attrs.end(); | |
470 | ++iter) { | |
471 | const char *name = iter->first.c_str(); | |
472 | map<string, string>::const_iterator geniter = rgw_to_http_attrs.find(name); | |
473 | ||
474 | if (geniter != rgw_to_http_attrs.end()) { | |
475 | dump_header(s, geniter->second, iter->second); | |
476 | } else if (strncmp(name, RGW_ATTR_META_PREFIX, PREFIX_LEN) == 0) { | |
477 | dump_header_prefixed(s, "X-Container-Meta-", | |
478 | camelcase_dash_http_attr(name + PREFIX_LEN), | |
479 | iter->second); | |
480 | } | |
481 | } | |
482 | } | |
483 | ||
484 | /* Dump container versioning info. */ | |
485 | if (! s->bucket_info.swift_ver_location.empty()) { | |
486 | dump_header(s, "X-Versions-Location", | |
487 | url_encode(s->bucket_info.swift_ver_location)); | |
488 | } | |
489 | ||
490 | /* Dump quota headers. */ | |
491 | if (quota.enabled) { | |
492 | if (quota.max_size >= 0) { | |
493 | dump_header(s, "X-Container-Meta-Quota-Bytes", quota.max_size); | |
494 | } | |
495 | ||
496 | if (quota.max_objects >= 0) { | |
497 | dump_header(s, "X-Container-Meta-Quota-Count", quota.max_objects); | |
498 | } | |
499 | } | |
500 | ||
501 | /* Dump Static Website headers. */ | |
502 | if (! ws_conf.index_doc_suffix.empty()) { | |
503 | dump_header(s, "X-Container-Meta-Web-Index", ws_conf.index_doc_suffix); | |
504 | } | |
505 | ||
506 | if (! ws_conf.error_doc.empty()) { | |
507 | dump_header(s, "X-Container-Meta-Web-Error", ws_conf.error_doc); | |
508 | } | |
509 | ||
510 | if (! ws_conf.subdir_marker.empty()) { | |
511 | dump_header(s, "X-Container-Meta-Web-Directory-Type", | |
512 | ws_conf.subdir_marker); | |
513 | } | |
514 | ||
515 | if (! ws_conf.listing_css_doc.empty()) { | |
516 | dump_header(s, "X-Container-Meta-Web-Listings-CSS", | |
517 | ws_conf.listing_css_doc); | |
518 | } | |
519 | ||
520 | if (ws_conf.listing_enabled) { | |
521 | dump_header(s, "X-Container-Meta-Web-Listings", "true"); | |
522 | } | |
523 | } | |
524 | ||
525 | void RGWStatAccount_ObjStore_SWIFT::execute() | |
526 | { | |
527 | RGWStatAccount_ObjStore::execute(); | |
528 | op_ret = rgw_get_user_attrs_by_uid(store, s->user->user_id, attrs); | |
529 | } | |
530 | ||
531 | void RGWStatAccount_ObjStore_SWIFT::send_response() | |
532 | { | |
533 | if (op_ret >= 0) { | |
534 | op_ret = STATUS_NO_CONTENT; | |
535 | dump_account_metadata(s, | |
536 | global_stats, | |
537 | policies_stats, | |
538 | attrs, | |
539 | user_quota, | |
540 | static_cast<RGWAccessControlPolicy_SWIFTAcct&>(*s->user_acl)); | |
541 | } | |
542 | ||
543 | set_req_state_err(s, op_ret); | |
544 | dump_errno(s); | |
545 | ||
546 | end_header(s, NULL, NULL, 0, true); | |
547 | ||
548 | dump_start(s); | |
549 | } | |
550 | ||
551 | void RGWStatBucket_ObjStore_SWIFT::send_response() | |
552 | { | |
553 | if (op_ret >= 0) { | |
554 | op_ret = STATUS_NO_CONTENT; | |
555 | dump_container_metadata(s, bucket, bucket_quota, | |
556 | s->bucket_info.website_conf); | |
557 | } | |
558 | ||
559 | set_req_state_err(s, op_ret); | |
560 | dump_errno(s); | |
561 | ||
562 | end_header(s, this, NULL, 0, true); | |
563 | dump_start(s); | |
564 | } | |
565 | ||
566 | static int get_swift_container_settings(req_state * const s, | |
567 | RGWRados * const store, | |
568 | RGWAccessControlPolicy * const policy, | |
569 | bool * const has_policy, | |
570 | uint32_t * rw_mask, | |
571 | RGWCORSConfiguration * const cors_config, | |
572 | bool * const has_cors) | |
573 | { | |
574 | string read_list, write_list; | |
575 | ||
576 | const char * const read_attr = s->info.env->get("HTTP_X_CONTAINER_READ"); | |
577 | if (read_attr) { | |
578 | read_list = read_attr; | |
579 | } | |
580 | const char * const write_attr = s->info.env->get("HTTP_X_CONTAINER_WRITE"); | |
581 | if (write_attr) { | |
582 | write_list = write_attr; | |
583 | } | |
584 | ||
585 | *has_policy = false; | |
586 | ||
587 | if (read_attr || write_attr) { | |
588 | RGWAccessControlPolicy_SWIFT swift_policy(s->cct); | |
589 | const auto r = swift_policy.create(store, | |
590 | s->user->user_id, | |
591 | s->user->display_name, | |
592 | read_list, | |
593 | write_list, | |
594 | *rw_mask); | |
595 | if (r < 0) { | |
596 | return r; | |
597 | } | |
598 | ||
599 | *policy = swift_policy; | |
600 | *has_policy = true; | |
601 | } | |
602 | ||
603 | *has_cors = false; | |
604 | ||
605 | /*Check and update CORS configuration*/ | |
606 | const char *allow_origins = s->info.env->get("HTTP_X_CONTAINER_META_ACCESS_CONTROL_ALLOW_ORIGIN"); | |
607 | const char *allow_headers = s->info.env->get("HTTP_X_CONTAINER_META_ACCESS_CONTROL_ALLOW_HEADERS"); | |
608 | const char *expose_headers = s->info.env->get("HTTP_X_CONTAINER_META_ACCESS_CONTROL_EXPOSE_HEADERS"); | |
609 | const char *max_age = s->info.env->get("HTTP_X_CONTAINER_META_ACCESS_CONTROL_MAX_AGE"); | |
610 | if (allow_origins) { | |
611 | RGWCORSConfiguration_SWIFT *swift_cors = new RGWCORSConfiguration_SWIFT; | |
612 | int r = swift_cors->create_update(allow_origins, allow_headers, expose_headers, max_age); | |
613 | if (r < 0) { | |
614 | dout(0) << "Error creating/updating the cors configuration" << dendl; | |
615 | delete swift_cors; | |
616 | return r; | |
617 | } | |
618 | *has_cors = true; | |
619 | *cors_config = *swift_cors; | |
620 | cors_config->dump(); | |
621 | delete swift_cors; | |
622 | } | |
623 | ||
624 | return 0; | |
625 | } | |
626 | ||
627 | #define ACCT_REMOVE_ATTR_PREFIX "HTTP_X_REMOVE_ACCOUNT_META_" | |
628 | #define ACCT_PUT_ATTR_PREFIX "HTTP_X_ACCOUNT_META_" | |
629 | #define CONT_REMOVE_ATTR_PREFIX "HTTP_X_REMOVE_CONTAINER_META_" | |
630 | #define CONT_PUT_ATTR_PREFIX "HTTP_X_CONTAINER_META_" | |
631 | ||
632 | static void get_rmattrs_from_headers(const req_state * const s, | |
633 | const char * const put_prefix, | |
634 | const char * const del_prefix, | |
635 | set<string>& rmattr_names) | |
636 | { | |
637 | const size_t put_prefix_len = strlen(put_prefix); | |
638 | const size_t del_prefix_len = strlen(del_prefix); | |
639 | ||
640 | for (const auto& kv : s->info.env->get_map()) { | |
641 | size_t prefix_len = 0; | |
642 | const char * const p = kv.first.c_str(); | |
643 | ||
644 | if (strncasecmp(p, del_prefix, del_prefix_len) == 0) { | |
645 | /* Explicitly requested removal. */ | |
646 | prefix_len = del_prefix_len; | |
647 | } else if ((strncasecmp(p, put_prefix, put_prefix_len) == 0) | |
648 | && kv.second.empty()) { | |
649 | /* Removal requested by putting an empty value. */ | |
650 | prefix_len = put_prefix_len; | |
651 | } | |
652 | ||
653 | if (prefix_len > 0) { | |
654 | string name(RGW_ATTR_META_PREFIX); | |
655 | name.append(lowercase_dash_http_attr(p + prefix_len)); | |
656 | rmattr_names.insert(name); | |
657 | } | |
658 | } | |
659 | } | |
660 | ||
661 | static int get_swift_versioning_settings( | |
662 | req_state * const s, | |
663 | boost::optional<std::string>& swift_ver_location) | |
664 | { | |
665 | /* Removing the Swift's versions location has lower priority than setting | |
666 | * a new one. That's the reason why we're handling it first. */ | |
667 | const std::string vlocdel = | |
668 | s->info.env->get("HTTP_X_REMOVE_VERSIONS_LOCATION", ""); | |
669 | if (vlocdel.size()) { | |
670 | swift_ver_location = boost::in_place(std::string()); | |
671 | } | |
672 | ||
673 | if (s->info.env->exists("HTTP_X_VERSIONS_LOCATION")) { | |
674 | /* If the Swift's versioning is globally disabled but someone wants to | |
675 | * enable it for a given container, new version of Swift will generate | |
676 | * the precondition failed error. */ | |
677 | if (! s->cct->_conf->rgw_swift_versioning_enabled) { | |
678 | return -ERR_PRECONDITION_FAILED; | |
679 | } | |
680 | ||
681 | swift_ver_location = s->info.env->get("HTTP_X_VERSIONS_LOCATION", ""); | |
682 | } | |
683 | ||
684 | return 0; | |
685 | } | |
686 | ||
687 | int RGWCreateBucket_ObjStore_SWIFT::get_params() | |
688 | { | |
689 | bool has_policy; | |
690 | uint32_t policy_rw_mask = 0; | |
691 | ||
692 | int r = get_swift_container_settings(s, store, &policy, &has_policy, | |
693 | &policy_rw_mask, &cors_config, &has_cors); | |
694 | if (r < 0) { | |
695 | return r; | |
696 | } | |
697 | ||
698 | if (!has_policy) { | |
699 | policy.create_default(s->user->user_id, s->user->display_name); | |
700 | } | |
701 | ||
702 | location_constraint = store->get_zonegroup().api_name; | |
703 | get_rmattrs_from_headers(s, CONT_PUT_ATTR_PREFIX, | |
704 | CONT_REMOVE_ATTR_PREFIX, rmattr_names); | |
705 | placement_rule = s->info.env->get("HTTP_X_STORAGE_POLICY", ""); | |
706 | ||
707 | return get_swift_versioning_settings(s, swift_ver_location); | |
708 | } | |
709 | ||
710 | static inline int handle_metadata_errors(req_state* const s, const int op_ret) | |
711 | { | |
712 | if (op_ret == -EFBIG) { | |
713 | /* Handle the custom error message of exceeding maximum custom attribute | |
714 | * (stored as xattr) size. */ | |
715 | const auto error_message = boost::str( | |
716 | boost::format("Metadata value longer than %lld") | |
717 | % s->cct->_conf->get_val<size_t>("rgw_max_attr_size")); | |
718 | set_req_state_err(s, EINVAL, error_message); | |
719 | return -EINVAL; | |
720 | } else if (op_ret == -E2BIG) { | |
721 | const auto error_message = boost::str( | |
722 | boost::format("Too many metadata items; max %lld") | |
723 | % s->cct->_conf->get_val<size_t>("rgw_max_attrs_num_in_req")); | |
724 | set_req_state_err(s, EINVAL, error_message); | |
725 | return -EINVAL; | |
726 | } | |
727 | ||
728 | return op_ret; | |
729 | } | |
730 | ||
731 | void RGWCreateBucket_ObjStore_SWIFT::send_response() | |
732 | { | |
733 | const auto meta_ret = handle_metadata_errors(s, op_ret); | |
734 | if (meta_ret != op_ret) { | |
735 | op_ret = meta_ret; | |
736 | } else { | |
737 | if (!op_ret) { | |
738 | op_ret = STATUS_CREATED; | |
739 | } else if (op_ret == -ERR_BUCKET_EXISTS) { | |
740 | op_ret = STATUS_ACCEPTED; | |
741 | } | |
742 | set_req_state_err(s, op_ret); | |
743 | } | |
744 | ||
745 | dump_errno(s); | |
746 | /* Propose ending HTTP header with 0 Content-Length header. */ | |
747 | end_header(s, NULL, NULL, 0); | |
748 | rgw_flush_formatter_and_reset(s, s->formatter); | |
749 | } | |
750 | ||
751 | void RGWDeleteBucket_ObjStore_SWIFT::send_response() | |
752 | { | |
753 | int r = op_ret; | |
754 | if (!r) | |
755 | r = STATUS_NO_CONTENT; | |
756 | ||
757 | set_req_state_err(s, r); | |
758 | dump_errno(s); | |
759 | end_header(s, this, NULL, 0); | |
760 | rgw_flush_formatter_and_reset(s, s->formatter); | |
761 | } | |
762 | ||
763 | static int get_delete_at_param(req_state *s, boost::optional<real_time> &delete_at) | |
764 | { | |
765 | /* Handle Swift object expiration. */ | |
766 | real_time delat_proposal; | |
767 | string x_delete = s->info.env->get("HTTP_X_DELETE_AFTER", ""); | |
768 | ||
769 | if (x_delete.empty()) { | |
770 | x_delete = s->info.env->get("HTTP_X_DELETE_AT", ""); | |
771 | } else { | |
772 | /* X-Delete-After HTTP is present. It means we need add its value | |
773 | * to the current time. */ | |
774 | delat_proposal = real_clock::now(); | |
775 | } | |
776 | ||
777 | if (x_delete.empty()) { | |
778 | delete_at = boost::none; | |
779 | if (s->info.env->exists("HTTP_X_REMOVE_DELETE_AT")) { | |
780 | delete_at = boost::in_place(real_time()); | |
781 | } | |
782 | return 0; | |
783 | } | |
784 | string err; | |
785 | long ts = strict_strtoll(x_delete.c_str(), 10, &err); | |
786 | ||
787 | if (!err.empty()) { | |
788 | return -EINVAL; | |
789 | } | |
790 | ||
791 | delat_proposal += make_timespan(ts); | |
792 | if (delat_proposal < real_clock::now()) { | |
793 | return -EINVAL; | |
794 | } | |
795 | ||
796 | delete_at = delat_proposal; | |
797 | ||
798 | return 0; | |
799 | } | |
800 | ||
801 | int RGWPutObj_ObjStore_SWIFT::verify_permission() | |
802 | { | |
803 | op_ret = RGWPutObj_ObjStore::verify_permission(); | |
804 | ||
805 | /* We have to differentiate error codes depending on whether user is | |
806 | * anonymous (401 Unauthorized) or he doesn't have necessary permissions | |
807 | * (403 Forbidden). */ | |
808 | if (s->auth.identity->is_anonymous() && op_ret == -EACCES) { | |
809 | return -EPERM; | |
810 | } else { | |
811 | return op_ret; | |
812 | } | |
813 | } | |
814 | ||
815 | int RGWPutObj_ObjStore_SWIFT::get_params() | |
816 | { | |
817 | if (s->has_bad_meta) { | |
818 | return -EINVAL; | |
819 | } | |
820 | ||
821 | if (!s->length) { | |
822 | const char *encoding = s->info.env->get("HTTP_TRANSFER_ENCODING"); | |
823 | if (!encoding || strcmp(encoding, "chunked") != 0) { | |
824 | ldout(s->cct, 20) << "neither length nor chunked encoding" << dendl; | |
825 | return -ERR_LENGTH_REQUIRED; | |
826 | } | |
827 | ||
828 | chunked_upload = true; | |
829 | } | |
830 | ||
831 | supplied_etag = s->info.env->get("HTTP_ETAG"); | |
832 | ||
833 | if (!s->generic_attrs.count(RGW_ATTR_CONTENT_TYPE)) { | |
834 | ldout(s->cct, 5) << "content type wasn't provided, trying to guess" << dendl; | |
835 | const char *suffix = strrchr(s->object.name.c_str(), '.'); | |
836 | if (suffix) { | |
837 | suffix++; | |
838 | if (*suffix) { | |
839 | string suffix_str(suffix); | |
840 | const char *mime = rgw_find_mime_by_ext(suffix_str); | |
841 | if (mime) { | |
842 | s->generic_attrs[RGW_ATTR_CONTENT_TYPE] = mime; | |
843 | } | |
844 | } | |
845 | } | |
846 | } | |
847 | ||
848 | policy.create_default(s->user->user_id, s->user->display_name); | |
849 | ||
850 | int r = get_delete_at_param(s, delete_at); | |
851 | if (r < 0) { | |
852 | ldout(s->cct, 5) << "ERROR: failed to get Delete-At param" << dendl; | |
853 | return r; | |
854 | } | |
855 | ||
856 | if (!s->cct->_conf->rgw_swift_custom_header.empty()) { | |
857 | string custom_header = s->cct->_conf->rgw_swift_custom_header; | |
858 | if (s->info.env->exists(custom_header.c_str())) { | |
859 | user_data = s->info.env->get(custom_header.c_str()); | |
860 | } | |
861 | } | |
862 | ||
863 | dlo_manifest = s->info.env->get("HTTP_X_OBJECT_MANIFEST"); | |
864 | bool exists; | |
865 | string multipart_manifest = s->info.args.get("multipart-manifest", &exists); | |
866 | if (exists) { | |
867 | if (multipart_manifest != "put") { | |
868 | ldout(s->cct, 5) << "invalid multipart-manifest http param: " << multipart_manifest << dendl; | |
869 | return -EINVAL; | |
870 | } | |
871 | ||
872 | #define MAX_SLO_ENTRY_SIZE (1024 + 128) // 1024 - max obj name, 128 - enough extra for other info | |
873 | uint64_t max_len = s->cct->_conf->rgw_max_slo_entries * MAX_SLO_ENTRY_SIZE; | |
874 | ||
875 | slo_info = new RGWSLOInfo; | |
876 | ||
877 | int r = rgw_rest_get_json_input_keep_data(s->cct, s, slo_info->entries, max_len, &slo_info->raw_data, &slo_info->raw_data_len); | |
878 | if (r < 0) { | |
879 | ldout(s->cct, 5) << "failed to read input for slo r=" << r << dendl; | |
880 | return r; | |
881 | } | |
882 | ||
883 | if ((int64_t)slo_info->entries.size() > s->cct->_conf->rgw_max_slo_entries) { | |
884 | ldout(s->cct, 5) << "too many entries in slo request: " << slo_info->entries.size() << dendl; | |
885 | return -EINVAL; | |
886 | } | |
887 | ||
888 | MD5 etag_sum; | |
889 | uint64_t total_size = 0; | |
890 | for (const auto& entry : slo_info->entries) { | |
891 | etag_sum.Update((const byte *)entry.etag.c_str(), | |
892 | entry.etag.length()); | |
893 | total_size += entry.size_bytes; | |
894 | ||
895 | ldout(s->cct, 20) << "slo_part: " << entry.path | |
896 | << " size=" << entry.size_bytes | |
897 | << " etag=" << entry.etag | |
898 | << dendl; | |
899 | } | |
900 | complete_etag(etag_sum, &lo_etag); | |
901 | slo_info->total_size = total_size; | |
902 | ||
903 | ofs = slo_info->raw_data_len; | |
904 | } | |
905 | ||
906 | return RGWPutObj_ObjStore::get_params(); | |
907 | } | |
908 | ||
909 | void RGWPutObj_ObjStore_SWIFT::send_response() | |
910 | { | |
911 | const auto meta_ret = handle_metadata_errors(s, op_ret); | |
912 | if (meta_ret) { | |
913 | op_ret = meta_ret; | |
914 | } else { | |
915 | if (!op_ret) { | |
916 | op_ret = STATUS_CREATED; | |
917 | } | |
918 | set_req_state_err(s, op_ret); | |
919 | } | |
920 | ||
921 | if (! lo_etag.empty()) { | |
922 | /* Static Large Object of Swift API has two etags represented by | |
923 | * following members: | |
924 | * - etag - for the manifest itself (it will be stored in xattrs), | |
925 | * - lo_etag - for the content composited from SLO's segments. | |
926 | * The value is calculated basing on segments' etags. | |
927 | * In response for PUT request we have to expose the second one. | |
928 | * The first one may be obtained by GET with "multipart-manifest=get" | |
929 | * in query string on a given SLO. */ | |
930 | dump_etag(s, lo_etag, true /* quoted */); | |
931 | } else { | |
932 | dump_etag(s, etag); | |
933 | } | |
934 | ||
935 | dump_last_modified(s, mtime); | |
936 | set_req_state_err(s, op_ret); | |
937 | dump_errno(s); | |
938 | end_header(s, this); | |
939 | rgw_flush_formatter_and_reset(s, s->formatter); | |
940 | } | |
941 | ||
942 | static int get_swift_account_settings(req_state * const s, | |
943 | RGWRados * const store, | |
944 | RGWAccessControlPolicy_SWIFTAcct * const policy, | |
945 | bool * const has_policy) | |
946 | { | |
947 | *has_policy = false; | |
948 | ||
949 | const char * const acl_attr = s->info.env->get("HTTP_X_ACCOUNT_ACCESS_CONTROL"); | |
950 | if (acl_attr) { | |
951 | RGWAccessControlPolicy_SWIFTAcct swift_acct_policy(s->cct); | |
952 | const bool r = swift_acct_policy.create(store, | |
953 | s->user->user_id, | |
954 | s->user->display_name, | |
955 | string(acl_attr)); | |
956 | if (r != true) { | |
957 | return -EINVAL; | |
958 | } | |
959 | ||
960 | *policy = swift_acct_policy; | |
961 | *has_policy = true; | |
962 | } | |
963 | ||
964 | return 0; | |
965 | } | |
966 | ||
967 | int RGWPutMetadataAccount_ObjStore_SWIFT::get_params() | |
968 | { | |
969 | if (s->has_bad_meta) { | |
970 | return -EINVAL; | |
971 | } | |
972 | ||
973 | int ret = get_swift_account_settings(s, | |
974 | store, | |
975 | // FIXME: we need to carry unique_ptr in generic class | |
976 | // and allocate appropriate ACL class in the ctor | |
977 | static_cast<RGWAccessControlPolicy_SWIFTAcct *>(&policy), | |
978 | &has_policy); | |
979 | if (ret < 0) { | |
980 | return ret; | |
981 | } | |
982 | ||
983 | get_rmattrs_from_headers(s, ACCT_PUT_ATTR_PREFIX, ACCT_REMOVE_ATTR_PREFIX, | |
984 | rmattr_names); | |
985 | return 0; | |
986 | } | |
987 | ||
988 | void RGWPutMetadataAccount_ObjStore_SWIFT::send_response() | |
989 | { | |
990 | const auto meta_ret = handle_metadata_errors(s, op_ret); | |
991 | if (meta_ret != op_ret) { | |
992 | op_ret = meta_ret; | |
993 | } else { | |
994 | if (!op_ret) { | |
995 | op_ret = STATUS_NO_CONTENT; | |
996 | } | |
997 | set_req_state_err(s, op_ret); | |
998 | } | |
999 | ||
1000 | dump_errno(s); | |
1001 | end_header(s, this); | |
1002 | rgw_flush_formatter_and_reset(s, s->formatter); | |
1003 | } | |
1004 | ||
1005 | int RGWPutMetadataBucket_ObjStore_SWIFT::get_params() | |
1006 | { | |
1007 | if (s->has_bad_meta) { | |
1008 | return -EINVAL; | |
1009 | } | |
1010 | ||
1011 | int r = get_swift_container_settings(s, store, &policy, &has_policy, | |
1012 | &policy_rw_mask, &cors_config, &has_cors); | |
1013 | if (r < 0) { | |
1014 | return r; | |
1015 | } | |
1016 | ||
1017 | get_rmattrs_from_headers(s, CONT_PUT_ATTR_PREFIX, CONT_REMOVE_ATTR_PREFIX, | |
1018 | rmattr_names); | |
1019 | placement_rule = s->info.env->get("HTTP_X_STORAGE_POLICY", ""); | |
1020 | ||
1021 | return get_swift_versioning_settings(s, swift_ver_location); | |
1022 | } | |
1023 | ||
1024 | void RGWPutMetadataBucket_ObjStore_SWIFT::send_response() | |
1025 | { | |
1026 | const auto meta_ret = handle_metadata_errors(s, op_ret); | |
1027 | if (meta_ret != op_ret) { | |
1028 | op_ret = meta_ret; | |
1029 | } else { | |
1030 | if (!op_ret && (op_ret != -EINVAL)) { | |
1031 | op_ret = STATUS_NO_CONTENT; | |
1032 | } | |
1033 | set_req_state_err(s, op_ret); | |
1034 | } | |
1035 | ||
1036 | dump_errno(s); | |
1037 | end_header(s, this); | |
1038 | rgw_flush_formatter_and_reset(s, s->formatter); | |
1039 | } | |
1040 | ||
1041 | int RGWPutMetadataObject_ObjStore_SWIFT::get_params() | |
1042 | { | |
1043 | if (s->has_bad_meta) { | |
1044 | return -EINVAL; | |
1045 | } | |
1046 | ||
1047 | /* Handle Swift object expiration. */ | |
1048 | int r = get_delete_at_param(s, delete_at); | |
1049 | if (r < 0) { | |
1050 | ldout(s->cct, 5) << "ERROR: failed to get Delete-At param" << dendl; | |
1051 | return r; | |
1052 | } | |
1053 | ||
1054 | placement_rule = s->info.env->get("HTTP_X_STORAGE_POLICY", ""); | |
1055 | dlo_manifest = s->info.env->get("HTTP_X_OBJECT_MANIFEST"); | |
1056 | ||
1057 | return 0; | |
1058 | } | |
1059 | ||
1060 | void RGWPutMetadataObject_ObjStore_SWIFT::send_response() | |
1061 | { | |
1062 | const auto meta_ret = handle_metadata_errors(s, op_ret); | |
1063 | if (meta_ret != op_ret) { | |
1064 | op_ret = meta_ret; | |
1065 | } else { | |
1066 | if (!op_ret) { | |
1067 | op_ret = STATUS_ACCEPTED; | |
1068 | } | |
1069 | set_req_state_err(s, op_ret); | |
1070 | } | |
1071 | ||
1072 | if (!s->is_err()) { | |
1073 | dump_content_length(s, 0); | |
1074 | } | |
1075 | ||
1076 | dump_errno(s); | |
1077 | end_header(s, this); | |
1078 | rgw_flush_formatter_and_reset(s, s->formatter); | |
1079 | } | |
1080 | ||
1081 | static void bulkdelete_respond(const unsigned num_deleted, | |
1082 | const unsigned int num_unfound, | |
1083 | const std::list<RGWBulkDelete::fail_desc_t>& failures, | |
1084 | const int prot_flags, /* in */ | |
1085 | ceph::Formatter& formatter) /* out */ | |
1086 | { | |
1087 | formatter.open_object_section("delete"); | |
1088 | ||
1089 | string resp_status; | |
1090 | string resp_body; | |
1091 | ||
1092 | if (!failures.empty()) { | |
1093 | int reason = ERR_INVALID_REQUEST; | |
1094 | for (const auto fail_desc : failures) { | |
1095 | if (-ENOENT != fail_desc.err && -EACCES != fail_desc.err) { | |
1096 | reason = fail_desc.err; | |
1097 | } | |
1098 | } | |
1099 | rgw_err err; | |
1100 | set_req_state_err(err, reason, prot_flags); | |
1101 | dump_errno(err, resp_status); | |
1102 | } else if (0 == num_deleted && 0 == num_unfound) { | |
1103 | /* 400 Bad Request */ | |
1104 | dump_errno(400, resp_status); | |
1105 | resp_body = "Invalid bulk delete."; | |
1106 | } else { | |
1107 | /* 200 OK */ | |
1108 | dump_errno(200, resp_status); | |
1109 | } | |
1110 | ||
1111 | encode_json("Number Deleted", num_deleted, &formatter); | |
1112 | encode_json("Number Not Found", num_unfound, &formatter); | |
1113 | encode_json("Response Body", resp_body, &formatter); | |
1114 | encode_json("Response Status", resp_status, &formatter); | |
1115 | ||
1116 | formatter.open_array_section("Errors"); | |
1117 | for (const auto fail_desc : failures) { | |
1118 | formatter.open_array_section("object"); | |
1119 | ||
1120 | stringstream ss_name; | |
1121 | ss_name << fail_desc.path; | |
1122 | encode_json("Name", ss_name.str(), &formatter); | |
1123 | ||
1124 | rgw_err err; | |
1125 | set_req_state_err(err, fail_desc.err, prot_flags); | |
1126 | string status; | |
1127 | dump_errno(err, status); | |
1128 | encode_json("Status", status, &formatter); | |
1129 | formatter.close_section(); | |
1130 | } | |
1131 | formatter.close_section(); | |
1132 | ||
1133 | formatter.close_section(); | |
1134 | } | |
1135 | ||
1136 | int RGWDeleteObj_ObjStore_SWIFT::verify_permission() | |
1137 | { | |
1138 | op_ret = RGWDeleteObj_ObjStore::verify_permission(); | |
1139 | ||
1140 | /* We have to differentiate error codes depending on whether user is | |
1141 | * anonymous (401 Unauthorized) or he doesn't have necessary permissions | |
1142 | * (403 Forbidden). */ | |
1143 | if (s->auth.identity->is_anonymous() && op_ret == -EACCES) { | |
1144 | return -EPERM; | |
1145 | } else { | |
1146 | return op_ret; | |
1147 | } | |
1148 | } | |
1149 | ||
1150 | int RGWDeleteObj_ObjStore_SWIFT::get_params() | |
1151 | { | |
1152 | const string& mm = s->info.args.get("multipart-manifest"); | |
1153 | multipart_delete = (mm.compare("delete") == 0); | |
1154 | ||
1155 | return RGWDeleteObj_ObjStore::get_params(); | |
1156 | } | |
1157 | ||
1158 | void RGWDeleteObj_ObjStore_SWIFT::send_response() | |
1159 | { | |
1160 | int r = op_ret; | |
1161 | ||
1162 | if (multipart_delete) { | |
1163 | r = 0; | |
1164 | } else if(!r) { | |
1165 | r = STATUS_NO_CONTENT; | |
1166 | } | |
1167 | ||
1168 | set_req_state_err(s, r); | |
1169 | dump_errno(s); | |
1170 | ||
1171 | if (multipart_delete) { | |
1172 | end_header(s, this /* RGWOp */, nullptr /* contype */, | |
1173 | CHUNKED_TRANSFER_ENCODING); | |
1174 | ||
1175 | if (deleter) { | |
1176 | bulkdelete_respond(deleter->get_num_deleted(), | |
1177 | deleter->get_num_unfound(), | |
1178 | deleter->get_failures(), | |
1179 | s->prot_flags, | |
1180 | *s->formatter); | |
1181 | } else if (-ENOENT == op_ret) { | |
1182 | bulkdelete_respond(0, 1, {}, s->prot_flags, *s->formatter); | |
1183 | } else { | |
1184 | RGWBulkDelete::acct_path_t path; | |
1185 | path.bucket_name = s->bucket_name; | |
1186 | path.obj_key = s->object; | |
1187 | ||
1188 | RGWBulkDelete::fail_desc_t fail_desc; | |
1189 | fail_desc.err = op_ret; | |
1190 | fail_desc.path = path; | |
1191 | ||
1192 | bulkdelete_respond(0, 0, { fail_desc }, s->prot_flags, *s->formatter); | |
1193 | } | |
1194 | } else { | |
1195 | end_header(s, this); | |
1196 | } | |
1197 | ||
1198 | rgw_flush_formatter_and_reset(s, s->formatter); | |
1199 | ||
1200 | } | |
1201 | ||
1202 | static void get_contype_from_attrs(map<string, bufferlist>& attrs, | |
1203 | string& content_type) | |
1204 | { | |
1205 | map<string, bufferlist>::iterator iter = attrs.find(RGW_ATTR_CONTENT_TYPE); | |
1206 | if (iter != attrs.end()) { | |
1207 | content_type = iter->second.c_str(); | |
1208 | } | |
1209 | } | |
1210 | ||
1211 | static void dump_object_metadata(struct req_state * const s, | |
1212 | map<string, bufferlist> attrs) | |
1213 | { | |
1214 | map<string, string> response_attrs; | |
1215 | ||
1216 | for (auto kv : attrs) { | |
1217 | const char * name = kv.first.c_str(); | |
1218 | const auto aiter = rgw_to_http_attrs.find(name); | |
1219 | ||
1220 | if (aiter != std::end(rgw_to_http_attrs)) { | |
1221 | response_attrs[aiter->second] = kv.second.c_str(); | |
1222 | } else if (strcmp(name, RGW_ATTR_SLO_UINDICATOR) == 0) { | |
1223 | // this attr has an extra length prefix from ::encode() in prior versions | |
1224 | dump_header(s, "X-Object-Meta-Static-Large-Object", "True"); | |
1225 | } else if (strncmp(name, RGW_ATTR_META_PREFIX, | |
1226 | sizeof(RGW_ATTR_META_PREFIX)-1) == 0) { | |
1227 | name += sizeof(RGW_ATTR_META_PREFIX) - 1; | |
1228 | dump_header_prefixed(s, "X-Object-Meta-", | |
1229 | camelcase_dash_http_attr(name), kv.second); | |
1230 | } | |
1231 | } | |
1232 | ||
1233 | /* Handle override and fallback for Content-Disposition HTTP header. | |
1234 | * At the moment this will be used only by TempURL of the Swift API. */ | |
1235 | const auto cditer = rgw_to_http_attrs.find(RGW_ATTR_CONTENT_DISP); | |
1236 | if (cditer != std::end(rgw_to_http_attrs)) { | |
1237 | const auto& name = cditer->second; | |
1238 | ||
1239 | if (!s->content_disp.override.empty()) { | |
1240 | response_attrs[name] = s->content_disp.override; | |
1241 | } else if (!s->content_disp.fallback.empty() | |
1242 | && response_attrs.find(name) == std::end(response_attrs)) { | |
1243 | response_attrs[name] = s->content_disp.fallback; | |
1244 | } | |
1245 | } | |
1246 | ||
1247 | for (const auto kv : response_attrs) { | |
1248 | dump_header(s, kv.first, kv.second); | |
1249 | } | |
1250 | ||
1251 | const auto iter = attrs.find(RGW_ATTR_DELETE_AT); | |
1252 | if (iter != std::end(attrs)) { | |
1253 | utime_t delete_at; | |
1254 | try { | |
1255 | ::decode(delete_at, iter->second); | |
1256 | if (!delete_at.is_zero()) { | |
1257 | dump_header(s, "X-Delete-At", delete_at.sec()); | |
1258 | } | |
1259 | } catch (buffer::error& err) { | |
1260 | ldout(s->cct, 0) << "ERROR: cannot decode object's " RGW_ATTR_DELETE_AT | |
1261 | " attr, ignoring" | |
1262 | << dendl; | |
1263 | } | |
1264 | } | |
1265 | } | |
1266 | ||
1267 | int RGWCopyObj_ObjStore_SWIFT::init_dest_policy() | |
1268 | { | |
1269 | dest_policy.create_default(s->user->user_id, s->user->display_name); | |
1270 | ||
1271 | return 0; | |
1272 | } | |
1273 | ||
1274 | int RGWCopyObj_ObjStore_SWIFT::get_params() | |
1275 | { | |
1276 | if_mod = s->info.env->get("HTTP_IF_MODIFIED_SINCE"); | |
1277 | if_unmod = s->info.env->get("HTTP_IF_UNMODIFIED_SINCE"); | |
1278 | if_match = s->info.env->get("HTTP_COPY_IF_MATCH"); | |
1279 | if_nomatch = s->info.env->get("HTTP_COPY_IF_NONE_MATCH"); | |
1280 | ||
1281 | src_tenant_name = s->src_tenant_name; | |
1282 | src_bucket_name = s->src_bucket_name; | |
1283 | src_object = s->src_object; | |
1284 | dest_tenant_name = s->bucket_tenant; | |
1285 | dest_bucket_name = s->bucket_name; | |
1286 | dest_object = s->object.name; | |
1287 | ||
1288 | const char * const fresh_meta = s->info.env->get("HTTP_X_FRESH_METADATA"); | |
1289 | if (fresh_meta && strcasecmp(fresh_meta, "TRUE") == 0) { | |
1290 | attrs_mod = RGWRados::ATTRSMOD_REPLACE; | |
1291 | } else { | |
1292 | attrs_mod = RGWRados::ATTRSMOD_MERGE; | |
1293 | } | |
1294 | ||
1295 | int r = get_delete_at_param(s, delete_at); | |
1296 | if (r < 0) { | |
1297 | ldout(s->cct, 5) << "ERROR: failed to get Delete-At param" << dendl; | |
1298 | return r; | |
1299 | } | |
1300 | ||
1301 | return 0; | |
1302 | } | |
1303 | ||
1304 | void RGWCopyObj_ObjStore_SWIFT::send_partial_response(off_t ofs) | |
1305 | { | |
1306 | if (! sent_header) { | |
1307 | if (! op_ret) | |
1308 | op_ret = STATUS_CREATED; | |
1309 | set_req_state_err(s, op_ret); | |
1310 | dump_errno(s); | |
1311 | end_header(s, this); | |
1312 | ||
1313 | /* Send progress information. Note that this diverge from the original swift | |
1314 | * spec. We do this in order to keep connection alive. | |
1315 | */ | |
1316 | if (op_ret == 0) { | |
1317 | s->formatter->open_array_section("progress"); | |
1318 | } | |
1319 | sent_header = true; | |
1320 | } else { | |
1321 | s->formatter->dump_int("ofs", (uint64_t)ofs); | |
1322 | } | |
1323 | rgw_flush_formatter(s, s->formatter); | |
1324 | } | |
1325 | ||
1326 | void RGWCopyObj_ObjStore_SWIFT::dump_copy_info() | |
1327 | { | |
1328 | /* Dump X-Copied-From. */ | |
1329 | dump_header(s, "X-Copied-From", url_encode(src_bucket.name) + | |
1330 | "/" + url_encode(src_object.name)); | |
1331 | ||
1332 | /* Dump X-Copied-From-Account. */ | |
1333 | /* XXX tenant */ | |
1334 | dump_header(s, "X-Copied-From-Account", url_encode(s->user->user_id.id)); | |
1335 | ||
1336 | /* Dump X-Copied-From-Last-Modified. */ | |
1337 | dump_time_header(s, "X-Copied-From-Last-Modified", src_mtime); | |
1338 | } | |
1339 | ||
1340 | void RGWCopyObj_ObjStore_SWIFT::send_response() | |
1341 | { | |
1342 | if (! sent_header) { | |
1343 | string content_type; | |
1344 | if (! op_ret) | |
1345 | op_ret = STATUS_CREATED; | |
1346 | set_req_state_err(s, op_ret); | |
1347 | dump_errno(s); | |
1348 | dump_etag(s, etag); | |
1349 | dump_last_modified(s, mtime); | |
1350 | dump_copy_info(); | |
1351 | get_contype_from_attrs(attrs, content_type); | |
1352 | dump_object_metadata(s, attrs); | |
1353 | end_header(s, this, !content_type.empty() ? content_type.c_str() | |
1354 | : "binary/octet-stream"); | |
1355 | } else { | |
1356 | s->formatter->close_section(); | |
1357 | rgw_flush_formatter(s, s->formatter); | |
1358 | } | |
1359 | } | |
1360 | ||
1361 | int RGWGetObj_ObjStore_SWIFT::verify_permission() | |
1362 | { | |
1363 | op_ret = RGWGetObj_ObjStore::verify_permission(); | |
1364 | ||
1365 | /* We have to differentiate error codes depending on whether user is | |
1366 | * anonymous (401 Unauthorized) or he doesn't have necessary permissions | |
1367 | * (403 Forbidden). */ | |
1368 | if (s->auth.identity->is_anonymous() && op_ret == -EACCES) { | |
1369 | return -EPERM; | |
1370 | } else { | |
1371 | return op_ret; | |
1372 | } | |
1373 | } | |
1374 | ||
1375 | int RGWGetObj_ObjStore_SWIFT::get_params() | |
1376 | { | |
1377 | const string& mm = s->info.args.get("multipart-manifest"); | |
1378 | skip_manifest = (mm.compare("get") == 0); | |
1379 | ||
1380 | return RGWGetObj_ObjStore::get_params(); | |
1381 | } | |
1382 | ||
1383 | int RGWGetObj_ObjStore_SWIFT::send_response_data_error() | |
1384 | { | |
1385 | std::string error_content; | |
1386 | op_ret = error_handler(op_ret, &error_content); | |
1387 | if (! op_ret) { | |
1388 | /* The error handler has taken care of the error. */ | |
1389 | return 0; | |
1390 | } | |
1391 | ||
1392 | bufferlist error_bl; | |
1393 | error_bl.append(error_content); | |
1394 | return send_response_data(error_bl, 0, error_bl.length()); | |
1395 | } | |
1396 | ||
1397 | int RGWGetObj_ObjStore_SWIFT::send_response_data(bufferlist& bl, | |
1398 | const off_t bl_ofs, | |
1399 | const off_t bl_len) | |
1400 | { | |
1401 | string content_type; | |
1402 | ||
1403 | if (sent_header) { | |
1404 | goto send_data; | |
1405 | } | |
1406 | ||
1407 | if (custom_http_ret) { | |
1408 | set_req_state_err(s, 0); | |
1409 | dump_errno(s, custom_http_ret); | |
1410 | } else { | |
1411 | set_req_state_err(s, (partial_content && !op_ret) ? STATUS_PARTIAL_CONTENT | |
1412 | : op_ret); | |
1413 | dump_errno(s); | |
1414 | ||
1415 | if (s->is_err()) { | |
1416 | end_header(s, NULL); | |
1417 | return 0; | |
1418 | } | |
1419 | } | |
1420 | ||
1421 | if (range_str) { | |
1422 | dump_range(s, ofs, end, s->obj_size); | |
1423 | } | |
1424 | ||
1425 | if (s->is_err()) { | |
1426 | end_header(s, NULL); | |
1427 | return 0; | |
1428 | } | |
1429 | ||
1430 | dump_content_length(s, total_len); | |
1431 | dump_last_modified(s, lastmod); | |
1432 | dump_header(s, "X-Timestamp", utime_t(lastmod)); | |
1433 | if (is_slo) { | |
1434 | dump_header(s, "X-Static-Large-Object", "True"); | |
1435 | } | |
1436 | ||
1437 | if (! op_ret) { | |
1438 | if (! lo_etag.empty()) { | |
1439 | dump_etag(s, lo_etag, true /* quoted */); | |
1440 | } else { | |
1441 | auto iter = attrs.find(RGW_ATTR_ETAG); | |
1442 | if (iter != attrs.end()) { | |
1443 | dump_etag(s, iter->second); | |
1444 | } | |
1445 | } | |
1446 | ||
1447 | get_contype_from_attrs(attrs, content_type); | |
1448 | dump_object_metadata(s, attrs); | |
1449 | } | |
1450 | ||
1451 | end_header(s, this, !content_type.empty() ? content_type.c_str() | |
1452 | : "binary/octet-stream"); | |
1453 | ||
1454 | sent_header = true; | |
1455 | ||
1456 | send_data: | |
1457 | if (get_data && !op_ret) { | |
1458 | const auto r = dump_body(s, bl.c_str() + bl_ofs, bl_len); | |
1459 | if (r < 0) { | |
1460 | return r; | |
1461 | } | |
1462 | } | |
1463 | rgw_flush_formatter_and_reset(s, s->formatter); | |
1464 | ||
1465 | return 0; | |
1466 | } | |
1467 | ||
1468 | void RGWOptionsCORS_ObjStore_SWIFT::send_response() | |
1469 | { | |
1470 | string hdrs, exp_hdrs; | |
1471 | uint32_t max_age = CORS_MAX_AGE_INVALID; | |
1472 | /*EACCES means, there is no CORS registered yet for the bucket | |
1473 | *ENOENT means, there is no match of the Origin in the list of CORSRule | |
1474 | */ | |
1475 | if (op_ret == -ENOENT) | |
1476 | op_ret = -EACCES; | |
1477 | if (op_ret < 0) { | |
1478 | set_req_state_err(s, op_ret); | |
1479 | dump_errno(s); | |
1480 | end_header(s, NULL); | |
1481 | return; | |
1482 | } | |
1483 | get_response_params(hdrs, exp_hdrs, &max_age); | |
1484 | dump_errno(s); | |
1485 | dump_access_control(s, origin, req_meth, hdrs.c_str(), exp_hdrs.c_str(), | |
1486 | max_age); | |
1487 | end_header(s, NULL); | |
1488 | } | |
1489 | ||
1490 | int RGWBulkDelete_ObjStore_SWIFT::get_data( | |
1491 | list<RGWBulkDelete::acct_path_t>& items, bool * const is_truncated) | |
1492 | { | |
1493 | constexpr size_t MAX_LINE_SIZE = 2048; | |
1494 | ||
1495 | RGWClientIOStreamBuf ciosb(static_cast<RGWRestfulIO&>(*(s->cio)), | |
1496 | size_t(s->cct->_conf->rgw_max_chunk_size)); | |
1497 | istream cioin(&ciosb); | |
1498 | ||
1499 | char buf[MAX_LINE_SIZE]; | |
1500 | while (cioin.getline(buf, sizeof(buf))) { | |
1501 | string path_str(buf); | |
1502 | ||
1503 | ldout(s->cct, 20) << "extracted Bulk Delete entry: " << path_str << dendl; | |
1504 | ||
1505 | RGWBulkDelete::acct_path_t path; | |
1506 | ||
1507 | /* We need to skip all slashes at the beginning in order to preserve | |
1508 | * compliance with Swift. */ | |
1509 | const size_t start_pos = path_str.find_first_not_of('/'); | |
1510 | ||
1511 | if (string::npos != start_pos) { | |
1512 | /* Seperator is the first slash after the leading ones. */ | |
1513 | const size_t sep_pos = path_str.find('/', start_pos); | |
1514 | ||
1515 | if (string::npos != sep_pos) { | |
1516 | path.bucket_name = url_decode(path_str.substr(start_pos, | |
1517 | sep_pos - start_pos)); | |
1518 | path.obj_key = url_decode(path_str.substr(sep_pos + 1)); | |
1519 | } else { | |
1520 | /* It's guaranteed here that bucket name is at least one character | |
1521 | * long and is different than slash. */ | |
1522 | path.bucket_name = url_decode(path_str.substr(start_pos)); | |
1523 | } | |
1524 | ||
1525 | items.push_back(path); | |
1526 | } | |
1527 | ||
1528 | if (items.size() == MAX_CHUNK_ENTRIES) { | |
1529 | *is_truncated = true; | |
1530 | return 0; | |
1531 | } | |
1532 | } | |
1533 | ||
1534 | *is_truncated = false; | |
1535 | return 0; | |
1536 | } | |
1537 | ||
1538 | void RGWBulkDelete_ObjStore_SWIFT::send_response() | |
1539 | { | |
1540 | set_req_state_err(s, op_ret); | |
1541 | dump_errno(s); | |
1542 | end_header(s, this /* RGWOp */, nullptr /* contype */, | |
1543 | CHUNKED_TRANSFER_ENCODING); | |
1544 | ||
1545 | bulkdelete_respond(deleter->get_num_deleted(), | |
1546 | deleter->get_num_unfound(), | |
1547 | deleter->get_failures(), | |
1548 | s->prot_flags, | |
1549 | *s->formatter); | |
1550 | rgw_flush_formatter_and_reset(s, s->formatter); | |
1551 | } | |
1552 | ||
1553 | ||
1554 | std::unique_ptr<RGWBulkUploadOp::StreamGetter> | |
1555 | RGWBulkUploadOp_ObjStore_SWIFT::create_stream() | |
1556 | { | |
1557 | class SwiftStreamGetter : public StreamGetter { | |
1558 | const size_t conlen; | |
1559 | size_t curpos; | |
1560 | req_state* const s; | |
1561 | ||
1562 | public: | |
1563 | SwiftStreamGetter(req_state* const s, const size_t conlen) | |
1564 | : conlen(conlen), | |
1565 | curpos(0), | |
1566 | s(s) { | |
1567 | } | |
1568 | ||
1569 | ssize_t get_at_most(size_t want, ceph::bufferlist& dst) override { | |
1570 | /* maximum requested by a caller */ | |
1571 | /* data provided by client */ | |
1572 | /* RadosGW's limit. */ | |
1573 | const size_t max_chunk_size = \ | |
1574 | static_cast<size_t>(s->cct->_conf->rgw_max_chunk_size); | |
1575 | const size_t max_to_read = std::min({ want, conlen - curpos, max_chunk_size }); | |
1576 | ||
1577 | ldout(s->cct, 20) << "bulk_upload: get_at_most max_to_read=" | |
1578 | << max_to_read | |
1579 | << ", dst.c_str()=" << reinterpret_cast<intptr_t>(dst.c_str()) << dendl; | |
1580 | ||
1581 | bufferptr bp(max_to_read); | |
1582 | const auto read_len = recv_body(s, bp.c_str(), max_to_read); | |
1583 | dst.append(bp, 0, read_len); | |
1584 | //const auto read_len = recv_body(s, dst.c_str(), max_to_read); | |
1585 | if (read_len < 0) { | |
1586 | return read_len; | |
1587 | } | |
1588 | ||
1589 | curpos += read_len; | |
1590 | return curpos > s->cct->_conf->rgw_max_put_size ? -ERR_TOO_LARGE | |
1591 | : read_len; | |
1592 | } | |
1593 | ||
1594 | ssize_t get_exactly(size_t want, ceph::bufferlist& dst) override { | |
1595 | ldout(s->cct, 20) << "bulk_upload: get_exactly want=" << want << dendl; | |
1596 | ||
1597 | /* FIXME: do this in a loop. */ | |
1598 | const auto ret = get_at_most(want, dst); | |
1599 | ldout(s->cct, 20) << "bulk_upload: get_exactly ret=" << ret << dendl; | |
1600 | if (ret < 0) { | |
1601 | return ret; | |
1602 | } else if (static_cast<size_t>(ret) != want) { | |
1603 | return -EINVAL; | |
1604 | } else { | |
1605 | return want; | |
1606 | } | |
1607 | } | |
1608 | }; | |
1609 | ||
1610 | if (! s->length) { | |
1611 | op_ret = -EINVAL; | |
1612 | return nullptr; | |
1613 | } else { | |
1614 | ldout(s->cct, 20) << "bulk upload: create_stream for length=" | |
1615 | << s->length << dendl; | |
1616 | ||
1617 | const size_t conlen = atoll(s->length); | |
1618 | return std::unique_ptr<SwiftStreamGetter>(new SwiftStreamGetter(s, conlen)); | |
1619 | } | |
1620 | } | |
1621 | ||
1622 | void RGWBulkUploadOp_ObjStore_SWIFT::send_response() | |
1623 | { | |
1624 | set_req_state_err(s, op_ret); | |
1625 | dump_errno(s); | |
1626 | end_header(s, this /* RGWOp */, nullptr /* contype */, | |
1627 | CHUNKED_TRANSFER_ENCODING); | |
1628 | rgw_flush_formatter_and_reset(s, s->formatter); | |
1629 | ||
1630 | s->formatter->open_object_section("delete"); | |
1631 | ||
1632 | std::string resp_status; | |
1633 | std::string resp_body; | |
1634 | ||
1635 | if (! failures.empty()) { | |
1636 | rgw_err err; | |
1637 | ||
1638 | const auto last_err = { failures.back().err }; | |
1639 | if (boost::algorithm::contains(last_err, terminal_errors)) { | |
1640 | /* The terminal errors are affecting the status of the whole upload. */ | |
1641 | set_req_state_err(err, failures.back().err, s->prot_flags); | |
1642 | } else { | |
1643 | set_req_state_err(err, ERR_INVALID_REQUEST, s->prot_flags); | |
1644 | } | |
1645 | ||
1646 | dump_errno(err, resp_status); | |
1647 | } else if (0 == num_created && failures.empty()) { | |
1648 | /* Nothing created, nothing failed. This means the archive contained no | |
1649 | * entity we could understand (regular file or directory). We need to | |
1650 | * send 400 Bad Request to an HTTP client in the internal status field. */ | |
1651 | dump_errno(400, resp_status); | |
1652 | resp_body = "Invalid Tar File: No Valid Files"; | |
1653 | } else { | |
1654 | /* 200 OK */ | |
1655 | dump_errno(201, resp_status); | |
1656 | } | |
1657 | ||
1658 | encode_json("Number Files Created", num_created, s->formatter); | |
1659 | encode_json("Response Body", resp_body, s->formatter); | |
1660 | encode_json("Response Status", resp_status, s->formatter); | |
1661 | ||
1662 | s->formatter->open_array_section("Errors"); | |
1663 | for (const auto& fail_desc : failures) { | |
1664 | s->formatter->open_array_section("object"); | |
1665 | ||
1666 | encode_json("Name", fail_desc.path, s->formatter); | |
1667 | ||
1668 | rgw_err err; | |
1669 | set_req_state_err(err, fail_desc.err, s->prot_flags); | |
1670 | std::string status; | |
1671 | dump_errno(err, status); | |
1672 | encode_json("Status", status, s->formatter); | |
1673 | ||
1674 | s->formatter->close_section(); | |
1675 | } | |
1676 | s->formatter->close_section(); | |
1677 | ||
1678 | s->formatter->close_section(); | |
1679 | rgw_flush_formatter_and_reset(s, s->formatter); | |
1680 | } | |
1681 | ||
1682 | ||
1683 | void RGWGetCrossDomainPolicy_ObjStore_SWIFT::send_response() | |
1684 | { | |
1685 | set_req_state_err(s, op_ret); | |
1686 | dump_errno(s); | |
1687 | end_header(s, this, "application/xml"); | |
1688 | ||
1689 | std::stringstream ss; | |
1690 | ||
1691 | ss << R"(<?xml version="1.0"?>)" << "\n" | |
1692 | << R"(<!DOCTYPE cross-domain-policy SYSTEM )" | |
1693 | << R"("http://www.adobe.com/xml/dtds/cross-domain-policy.dtd" >)" << "\n" | |
1694 | << R"(<cross-domain-policy>)" << "\n" | |
1695 | << g_conf->rgw_cross_domain_policy << "\n" | |
1696 | << R"(</cross-domain-policy>)"; | |
1697 | ||
1698 | dump_body(s, ss.str()); | |
1699 | } | |
1700 | ||
1701 | void RGWGetHealthCheck_ObjStore_SWIFT::send_response() | |
1702 | { | |
1703 | set_req_state_err(s, op_ret); | |
1704 | dump_errno(s); | |
1705 | end_header(s, this, "application/xml"); | |
1706 | ||
1707 | if (op_ret) { | |
1708 | static constexpr char DISABLED[] = "DISABLED BY FILE"; | |
1709 | dump_body(s, DISABLED, strlen(DISABLED)); | |
1710 | } | |
1711 | } | |
1712 | ||
1713 | const vector<pair<string, RGWInfo_ObjStore_SWIFT::info>> RGWInfo_ObjStore_SWIFT::swift_info = | |
1714 | { | |
1715 | {"bulk_delete", {false, nullptr}}, | |
1716 | {"container_quotas", {false, nullptr}}, | |
1717 | {"swift", {false, RGWInfo_ObjStore_SWIFT::list_swift_data}}, | |
1718 | {"tempurl", { false, RGWInfo_ObjStore_SWIFT::list_tempurl_data}}, | |
1719 | {"slo", {false, RGWInfo_ObjStore_SWIFT::list_slo_data}}, | |
1720 | {"account_quotas", {false, nullptr}}, | |
1721 | {"staticweb", {false, nullptr}}, | |
1722 | {"tempauth", {false, RGWInfo_ObjStore_SWIFT::list_tempauth_data}}, | |
1723 | }; | |
1724 | ||
1725 | void RGWInfo_ObjStore_SWIFT::execute() | |
1726 | { | |
1727 | bool is_admin_info_enabled = false; | |
1728 | ||
1729 | const string& swiftinfo_sig = s->info.args.get("swiftinfo_sig"); | |
1730 | const string& swiftinfo_expires = s->info.args.get("swiftinfo_expires"); | |
1731 | ||
1732 | if (!swiftinfo_sig.empty() && | |
1733 | !swiftinfo_expires.empty() && | |
1734 | !is_expired(swiftinfo_expires, s->cct)) { | |
1735 | is_admin_info_enabled = true; | |
1736 | } | |
1737 | ||
1738 | s->formatter->open_object_section("info"); | |
1739 | ||
1740 | for (const auto& pair : swift_info) { | |
1741 | if(!is_admin_info_enabled && pair.second.is_admin_info) | |
1742 | continue; | |
1743 | ||
1744 | if (!pair.second.list_data) { | |
1745 | s->formatter->open_object_section((pair.first).c_str()); | |
1746 | s->formatter->close_section(); | |
1747 | } | |
1748 | else { | |
1749 | pair.second.list_data(*(s->formatter), *(s->cct->_conf), *store); | |
1750 | } | |
1751 | } | |
1752 | ||
1753 | s->formatter->close_section(); | |
1754 | } | |
1755 | ||
1756 | void RGWInfo_ObjStore_SWIFT::send_response() | |
1757 | { | |
1758 | if (op_ret < 0) { | |
1759 | op_ret = STATUS_NO_CONTENT; | |
1760 | } | |
1761 | set_req_state_err(s, op_ret); | |
1762 | dump_errno(s); | |
1763 | end_header(s, this); | |
1764 | rgw_flush_formatter_and_reset(s, s->formatter); | |
1765 | } | |
1766 | ||
1767 | void RGWInfo_ObjStore_SWIFT::list_swift_data(Formatter& formatter, | |
1768 | const md_config_t& config, | |
1769 | RGWRados& store) | |
1770 | { | |
1771 | formatter.open_object_section("swift"); | |
1772 | formatter.dump_int("max_file_size", config.rgw_max_put_size); | |
1773 | formatter.dump_int("container_listing_limit", RGW_LIST_BUCKETS_LIMIT_MAX); | |
1774 | ||
1775 | string ceph_version(CEPH_GIT_NICE_VER); | |
1776 | formatter.dump_string("version", ceph_version); | |
1777 | ||
1778 | const size_t max_attr_name_len = \ | |
1779 | g_conf->get_val<size_t>("rgw_max_attr_name_len"); | |
1780 | if (max_attr_name_len) { | |
1781 | const size_t meta_name_limit = \ | |
1782 | max_attr_name_len - strlen(RGW_ATTR_PREFIX RGW_AMZ_META_PREFIX); | |
1783 | formatter.dump_int("max_meta_name_length", meta_name_limit); | |
1784 | } | |
1785 | ||
1786 | const size_t meta_value_limit = g_conf->get_val<size_t>("rgw_max_attr_size"); | |
1787 | if (meta_value_limit) { | |
1788 | formatter.dump_int("max_meta_value_length", meta_value_limit); | |
1789 | } | |
1790 | ||
1791 | const size_t meta_num_limit = \ | |
1792 | g_conf->get_val<size_t>("rgw_max_attrs_num_in_req"); | |
1793 | if (meta_num_limit) { | |
1794 | formatter.dump_int("max_meta_count", meta_num_limit); | |
1795 | } | |
1796 | ||
1797 | formatter.open_array_section("policies"); | |
1798 | RGWZoneGroup& zonegroup = store.get_zonegroup(); | |
1799 | ||
1800 | for (const auto& placement_targets : zonegroup.placement_targets) { | |
1801 | formatter.open_object_section("policy"); | |
1802 | if (placement_targets.second.name.compare(zonegroup.default_placement) == 0) | |
1803 | formatter.dump_bool("default", true); | |
1804 | formatter.dump_string("name", placement_targets.second.name.c_str()); | |
1805 | formatter.close_section(); | |
1806 | } | |
1807 | formatter.close_section(); | |
1808 | ||
1809 | formatter.dump_int("max_object_name_size", RGWHandler_REST::MAX_OBJ_NAME_LEN); | |
1810 | formatter.dump_bool("strict_cors_mode", true); | |
1811 | formatter.dump_int("max_container_name_length", RGWHandler_REST::MAX_BUCKET_NAME_LEN); | |
1812 | formatter.close_section(); | |
1813 | } | |
1814 | ||
1815 | void RGWInfo_ObjStore_SWIFT::list_tempauth_data(Formatter& formatter, | |
1816 | const md_config_t& config, | |
1817 | RGWRados& store) | |
1818 | { | |
1819 | formatter.open_object_section("tempauth"); | |
1820 | formatter.dump_bool("account_acls", true); | |
1821 | formatter.close_section(); | |
1822 | } | |
1823 | void RGWInfo_ObjStore_SWIFT::list_tempurl_data(Formatter& formatter, | |
1824 | const md_config_t& config, | |
1825 | RGWRados& store) | |
1826 | { | |
1827 | formatter.open_object_section("tempurl"); | |
1828 | formatter.open_array_section("methods"); | |
1829 | formatter.dump_string("methodname", "GET"); | |
1830 | formatter.dump_string("methodname", "HEAD"); | |
1831 | formatter.dump_string("methodname", "PUT"); | |
1832 | formatter.dump_string("methodname", "POST"); | |
1833 | formatter.dump_string("methodname", "DELETE"); | |
1834 | formatter.close_section(); | |
1835 | formatter.close_section(); | |
1836 | } | |
1837 | ||
1838 | void RGWInfo_ObjStore_SWIFT::list_slo_data(Formatter& formatter, | |
1839 | const md_config_t& config, | |
1840 | RGWRados& store) | |
1841 | { | |
1842 | formatter.open_object_section("slo"); | |
1843 | formatter.dump_int("max_manifest_segments", config.rgw_max_slo_entries); | |
1844 | formatter.close_section(); | |
1845 | } | |
1846 | ||
1847 | bool RGWInfo_ObjStore_SWIFT::is_expired(const std::string& expires, CephContext* cct) | |
1848 | { | |
1849 | string err; | |
1850 | const utime_t now = ceph_clock_now(); | |
1851 | const uint64_t expiration = (uint64_t)strict_strtoll(expires.c_str(), | |
1852 | 10, &err); | |
1853 | if (!err.empty()) { | |
1854 | ldout(cct, 5) << "failed to parse siginfo_expires: " << err << dendl; | |
1855 | return true; | |
1856 | } | |
1857 | ||
1858 | if (expiration <= (uint64_t)now.sec()) { | |
1859 | ldout(cct, 5) << "siginfo expired: " << expiration << " <= " << now.sec() << dendl; | |
1860 | return true; | |
1861 | } | |
1862 | ||
1863 | return false; | |
1864 | } | |
1865 | ||
1866 | ||
1867 | void RGWFormPost::init(RGWRados* const store, | |
1868 | req_state* const s, | |
1869 | RGWHandler* const dialect_handler) | |
1870 | { | |
1871 | prefix = std::move(s->object.name); | |
1872 | s->object = rgw_obj_key(); | |
1873 | ||
1874 | return RGWPostObj_ObjStore::init(store, s, dialect_handler); | |
1875 | } | |
1876 | ||
1877 | std::size_t RGWFormPost::get_max_file_size() /*const*/ | |
1878 | { | |
1879 | std::string max_str = get_part_str(ctrl_parts, "max_file_size", "0"); | |
1880 | ||
1881 | std::string err; | |
1882 | const std::size_t max_file_size = | |
1883 | static_cast<uint64_t>(strict_strtoll(max_str.c_str(), 10, &err)); | |
1884 | ||
1885 | if (! err.empty()) { | |
1886 | ldout(s->cct, 5) << "failed to parse FormPost's max_file_size: " << err | |
1887 | << dendl; | |
1888 | return 0; | |
1889 | } | |
1890 | ||
1891 | return max_file_size; | |
1892 | } | |
1893 | ||
1894 | bool RGWFormPost::is_non_expired() | |
1895 | { | |
1896 | std::string expires = get_part_str(ctrl_parts, "expires", "0"); | |
1897 | ||
1898 | std::string err; | |
1899 | const uint64_t expires_timestamp = | |
1900 | static_cast<uint64_t>(strict_strtoll(expires.c_str(), 10, &err)); | |
1901 | ||
1902 | if (! err.empty()) { | |
1903 | dout(5) << "failed to parse FormPost's expires: " << err << dendl; | |
1904 | return false; | |
1905 | } | |
1906 | ||
1907 | const utime_t now = ceph_clock_now(); | |
1908 | if (expires_timestamp <= static_cast<uint64_t>(now.sec())) { | |
1909 | dout(5) << "FormPost form expired: " | |
1910 | << expires_timestamp << " <= " << now.sec() << dendl; | |
1911 | return false; | |
1912 | } | |
1913 | ||
1914 | return true; | |
1915 | } | |
1916 | ||
1917 | bool RGWFormPost::is_integral() | |
1918 | { | |
1919 | const std::string form_signature = get_part_str(ctrl_parts, "signature"); | |
1920 | ||
1921 | try { | |
1922 | get_owner_info(s, *s->user); | |
1923 | s->auth.identity = rgw::auth::transform_old_authinfo(s); | |
1924 | } catch (...) { | |
1925 | ldout(s->cct, 5) << "cannot get user_info of account's owner" << dendl; | |
1926 | return false; | |
1927 | } | |
1928 | ||
1929 | for (const auto& kv : s->user->temp_url_keys) { | |
1930 | const int temp_url_key_num = kv.first; | |
1931 | const string& temp_url_key = kv.second; | |
1932 | ||
1933 | if (temp_url_key.empty()) { | |
1934 | continue; | |
1935 | } | |
1936 | ||
1937 | SignatureHelper sig_helper; | |
1938 | sig_helper.calc(temp_url_key, | |
1939 | s->info.request_uri, | |
1940 | get_part_str(ctrl_parts, "redirect"), | |
1941 | get_part_str(ctrl_parts, "max_file_size", "0"), | |
1942 | get_part_str(ctrl_parts, "max_file_count", "0"), | |
1943 | get_part_str(ctrl_parts, "expires", "0")); | |
1944 | ||
1945 | const auto local_sig = sig_helper.get_signature(); | |
1946 | ||
1947 | ldout(s->cct, 20) << "FormPost signature [" << temp_url_key_num << "]" | |
1948 | << " (calculated): " << local_sig << dendl; | |
1949 | ||
1950 | if (sig_helper.is_equal_to(form_signature)) { | |
1951 | return true; | |
1952 | } else { | |
1953 | ldout(s->cct, 5) << "FormPost's signature mismatch: " | |
1954 | << local_sig << " != " << form_signature << dendl; | |
1955 | } | |
1956 | } | |
1957 | ||
1958 | return false; | |
1959 | } | |
1960 | ||
1961 | void RGWFormPost::get_owner_info(const req_state* const s, | |
1962 | RGWUserInfo& owner_info) const | |
1963 | { | |
1964 | /* We cannot use req_state::bucket_name because it isn't available | |
1965 | * now. It will be initialized in RGWHandler_REST_SWIFT::postauth_init(). */ | |
1966 | const string& bucket_name = s->init_state.url_bucket; | |
1967 | ||
1968 | /* TempURL in Formpost only requires that bucket name is specified. */ | |
1969 | if (bucket_name.empty()) { | |
1970 | throw -EPERM; | |
1971 | } | |
1972 | ||
1973 | string bucket_tenant; | |
1974 | if (!s->account_name.empty()) { | |
1975 | RGWUserInfo uinfo; | |
1976 | bool found = false; | |
1977 | ||
1978 | const rgw_user uid(s->account_name); | |
1979 | if (uid.tenant.empty()) { | |
1980 | const rgw_user tenanted_uid(uid.id, uid.id); | |
1981 | ||
1982 | if (rgw_get_user_info_by_uid(store, tenanted_uid, uinfo) >= 0) { | |
1983 | /* Succeeded. */ | |
1984 | bucket_tenant = uinfo.user_id.tenant; | |
1985 | found = true; | |
1986 | } | |
1987 | } | |
1988 | ||
1989 | if (!found && rgw_get_user_info_by_uid(store, uid, uinfo) < 0) { | |
1990 | throw -EPERM; | |
1991 | } else { | |
1992 | bucket_tenant = uinfo.user_id.tenant; | |
1993 | } | |
1994 | } | |
1995 | ||
1996 | /* Need to get user info of bucket owner. */ | |
1997 | RGWBucketInfo bucket_info; | |
1998 | int ret = store->get_bucket_info(*static_cast<RGWObjectCtx *>(s->obj_ctx), | |
1999 | bucket_tenant, bucket_name, | |
2000 | bucket_info, nullptr); | |
2001 | if (ret < 0) { | |
2002 | throw ret; | |
2003 | } | |
2004 | ||
2005 | ldout(s->cct, 20) << "temp url user (bucket owner): " << bucket_info.owner | |
2006 | << dendl; | |
2007 | ||
2008 | if (rgw_get_user_info_by_uid(store, bucket_info.owner, owner_info) < 0) { | |
2009 | throw -EPERM; | |
2010 | } | |
2011 | } | |
2012 | ||
2013 | int RGWFormPost::get_params() | |
2014 | { | |
2015 | /* The parentt class extracts boundary info from the Content-Type. */ | |
2016 | int ret = RGWPostObj_ObjStore::get_params(); | |
2017 | if (ret < 0) { | |
2018 | return ret; | |
2019 | } | |
2020 | ||
2021 | policy.create_default(s->user->user_id, s->user->display_name); | |
2022 | ||
2023 | /* Let's start parsing the HTTP body by parsing each form part step- | |
2024 | * by-step till encountering the first part with file data. */ | |
2025 | do { | |
2026 | struct post_form_part part; | |
2027 | ret = read_form_part_header(&part, stream_done); | |
2028 | if (ret < 0) { | |
2029 | return ret; | |
2030 | } | |
2031 | ||
2032 | if (s->cct->_conf->subsys.should_gather(ceph_subsys_rgw, 20)) { | |
2033 | ldout(s->cct, 20) << "read part header -- part.name=" | |
2034 | << part.name << dendl; | |
2035 | ||
2036 | for (const auto& pair : part.fields) { | |
2037 | ldout(s->cct, 20) << "field.name=" << pair.first << dendl; | |
2038 | ldout(s->cct, 20) << "field.val=" << pair.second.val << dendl; | |
2039 | ldout(s->cct, 20) << "field.params:" << dendl; | |
2040 | ||
2041 | for (const auto& param_pair : pair.second.params) { | |
2042 | ldout(s->cct, 20) << " " << param_pair.first | |
2043 | << " -> " << param_pair.second << dendl; | |
2044 | } | |
2045 | } | |
2046 | } | |
2047 | ||
2048 | if (stream_done) { | |
2049 | /* Unexpected here. */ | |
2050 | err_msg = "Malformed request"; | |
2051 | return -EINVAL; | |
2052 | } | |
2053 | ||
2054 | const auto field_iter = part.fields.find("Content-Disposition"); | |
2055 | if (std::end(part.fields) != field_iter && | |
2056 | std::end(field_iter->second.params) != field_iter->second.params.find("filename")) { | |
2057 | /* First data part ahead. */ | |
2058 | current_data_part = std::move(part); | |
2059 | ||
2060 | /* Stop the iteration. We can assume that all control parts have been | |
2061 | * already parsed. The rest of HTTP body should contain data parts | |
2062 | * only. They will be picked up by ::get_data(). */ | |
2063 | break; | |
2064 | } else { | |
2065 | /* Control part ahead. Receive, parse and store for later usage. */ | |
2066 | bool boundary; | |
2067 | ret = read_data(part.data, s->cct->_conf->rgw_max_chunk_size, | |
2068 | boundary, stream_done); | |
2069 | if (ret < 0) { | |
2070 | return ret; | |
2071 | } else if (! boundary) { | |
2072 | err_msg = "Couldn't find boundary"; | |
2073 | return -EINVAL; | |
2074 | } | |
2075 | ||
2076 | ctrl_parts[part.name] = std::move(part); | |
2077 | } | |
2078 | } while (! stream_done); | |
2079 | ||
2080 | min_len = 0; | |
2081 | max_len = get_max_file_size(); | |
2082 | ||
2083 | if (! current_data_part) { | |
2084 | err_msg = "FormPost: no files to process"; | |
2085 | return -EINVAL; | |
2086 | } | |
2087 | ||
2088 | if (! is_non_expired()) { | |
2089 | err_msg = "FormPost: Form Expired"; | |
2090 | return -EPERM; | |
2091 | } | |
2092 | ||
2093 | if (! is_integral()) { | |
2094 | err_msg = "FormPost: Invalid Signature"; | |
2095 | return -EPERM; | |
2096 | } | |
2097 | ||
2098 | return 0; | |
2099 | } | |
2100 | ||
2101 | std::string RGWFormPost::get_current_filename() const | |
2102 | { | |
2103 | try { | |
2104 | const auto& field = current_data_part->fields.at("Content-Disposition"); | |
2105 | const auto iter = field.params.find("filename"); | |
2106 | ||
2107 | if (std::end(field.params) != iter) { | |
2108 | return prefix + iter->second; | |
2109 | } | |
2110 | } catch (std::out_of_range&) { | |
2111 | /* NOP */; | |
2112 | } | |
2113 | ||
2114 | return prefix; | |
2115 | } | |
2116 | ||
2117 | std::string RGWFormPost::get_current_content_type() const | |
2118 | { | |
2119 | try { | |
2120 | const auto& field = current_data_part->fields.at("Content-Type"); | |
2121 | return field.val; | |
2122 | } catch (std::out_of_range&) { | |
2123 | /* NOP */; | |
2124 | } | |
2125 | ||
2126 | return std::string(); | |
2127 | } | |
2128 | ||
2129 | bool RGWFormPost::is_next_file_to_upload() | |
2130 | { | |
2131 | if (! stream_done) { | |
2132 | /* We have at least one additional part in the body. */ | |
2133 | struct post_form_part part; | |
2134 | int r = read_form_part_header(&part, stream_done); | |
2135 | if (r < 0) { | |
2136 | return false; | |
2137 | } | |
2138 | ||
2139 | const auto field_iter = part.fields.find("Content-Disposition"); | |
2140 | if (std::end(part.fields) != field_iter) { | |
2141 | const auto& params = field_iter->second.params; | |
2142 | const auto& filename_iter = params.find("filename"); | |
2143 | ||
2144 | if (std::end(params) != filename_iter && ! filename_iter->second.empty()) { | |
2145 | current_data_part = std::move(part); | |
2146 | return true; | |
2147 | } | |
2148 | } | |
2149 | } | |
2150 | ||
2151 | return false; | |
2152 | } | |
2153 | ||
2154 | int RGWFormPost::get_data(ceph::bufferlist& bl, bool& again) | |
2155 | { | |
2156 | bool boundary; | |
2157 | ||
2158 | int r = read_data(bl, s->cct->_conf->rgw_max_chunk_size, | |
2159 | boundary, stream_done); | |
2160 | if (r < 0) { | |
2161 | return r; | |
2162 | } | |
2163 | ||
2164 | /* Tell RGWPostObj::execute() that it has some data to put. */ | |
2165 | again = !boundary; | |
2166 | ||
2167 | return bl.length(); | |
2168 | } | |
2169 | ||
2170 | void RGWFormPost::send_response() | |
2171 | { | |
2172 | std::string redirect = get_part_str(ctrl_parts, "redirect"); | |
2173 | if (! redirect.empty()) { | |
2174 | op_ret = STATUS_REDIRECT; | |
2175 | } | |
2176 | ||
2177 | set_req_state_err(s, op_ret); | |
2178 | s->err.err_code = err_msg; | |
2179 | dump_errno(s); | |
2180 | if (! redirect.empty()) { | |
2181 | dump_redirect(s, redirect); | |
2182 | } | |
2183 | end_header(s, this); | |
2184 | } | |
2185 | ||
2186 | bool RGWFormPost::is_formpost_req(req_state* const s) | |
2187 | { | |
2188 | std::string content_type; | |
2189 | std::map<std::string, std::string> params; | |
2190 | ||
2191 | parse_boundary_params(s->info.env->get("CONTENT_TYPE", ""), | |
2192 | content_type, params); | |
2193 | ||
2194 | return boost::algorithm::iequals(content_type, "multipart/form-data") && | |
2195 | params.count("boundary") > 0; | |
2196 | } | |
2197 | ||
2198 | ||
2199 | RGWOp *RGWHandler_REST_Service_SWIFT::op_get() | |
2200 | { | |
2201 | return new RGWListBuckets_ObjStore_SWIFT; | |
2202 | } | |
2203 | ||
2204 | RGWOp *RGWHandler_REST_Service_SWIFT::op_head() | |
2205 | { | |
2206 | return new RGWStatAccount_ObjStore_SWIFT; | |
2207 | } | |
2208 | ||
2209 | RGWOp *RGWHandler_REST_Service_SWIFT::op_put() | |
2210 | { | |
2211 | if (s->info.args.exists("extract-archive")) { | |
2212 | return new RGWBulkUploadOp_ObjStore_SWIFT; | |
2213 | } | |
2214 | return nullptr; | |
2215 | } | |
2216 | ||
2217 | RGWOp *RGWHandler_REST_Service_SWIFT::op_post() | |
2218 | { | |
2219 | if (s->info.args.exists("bulk-delete")) { | |
2220 | return new RGWBulkDelete_ObjStore_SWIFT; | |
2221 | } | |
2222 | return new RGWPutMetadataAccount_ObjStore_SWIFT; | |
2223 | } | |
2224 | ||
2225 | RGWOp *RGWHandler_REST_Service_SWIFT::op_delete() | |
2226 | { | |
2227 | if (s->info.args.exists("bulk-delete")) { | |
2228 | return new RGWBulkDelete_ObjStore_SWIFT; | |
2229 | } | |
2230 | return NULL; | |
2231 | } | |
2232 | ||
2233 | int RGWSwiftWebsiteHandler::serve_errordoc(const int http_ret, | |
2234 | const std::string error_doc) | |
2235 | { | |
2236 | /* Try to throw it all away. */ | |
2237 | s->formatter->reset(); | |
2238 | ||
2239 | class RGWGetErrorPage : public RGWGetObj_ObjStore_SWIFT { | |
2240 | public: | |
2241 | RGWGetErrorPage(RGWRados* const store, | |
2242 | RGWHandler_REST* const handler, | |
2243 | req_state* const s, | |
2244 | const int http_ret) { | |
2245 | /* Calling a virtual from the base class is safe as the subobject should | |
2246 | * be properly initialized and we haven't overridden the init method. */ | |
2247 | init(store, s, handler); | |
2248 | set_get_data(true); | |
2249 | set_custom_http_response(http_ret); | |
2250 | } | |
2251 | ||
2252 | int error_handler(const int err_no, | |
2253 | std::string* const error_content) override { | |
2254 | /* Enforce that any error generated while getting the error page will | |
2255 | * not be send to a client. This allows us to recover from the double | |
2256 | * fault situation by sending the original message. */ | |
2257 | return 0; | |
2258 | } | |
2259 | } get_errpage_op(store, handler, s, http_ret); | |
2260 | ||
2261 | s->object = std::to_string(http_ret) + error_doc; | |
2262 | ||
2263 | RGWOp* newop = &get_errpage_op; | |
2264 | RGWRequest req(0); | |
2265 | return rgw_process_authenticated(handler, newop, &req, s, true); | |
2266 | } | |
2267 | ||
2268 | int RGWSwiftWebsiteHandler::error_handler(const int err_no, | |
2269 | std::string* const error_content) | |
2270 | { | |
2271 | const auto& ws_conf = s->bucket_info.website_conf; | |
2272 | ||
2273 | if (can_be_website_req() && ! ws_conf.error_doc.empty()) { | |
2274 | set_req_state_err(s, err_no); | |
2275 | return serve_errordoc(s->err.http_ret, ws_conf.error_doc); | |
2276 | } | |
2277 | ||
2278 | /* Let's go to the default, no-op handler. */ | |
2279 | return err_no; | |
2280 | } | |
2281 | ||
2282 | bool RGWSwiftWebsiteHandler::is_web_mode() const | |
2283 | { | |
2284 | const boost::string_ref webmode = s->info.env->get("HTTP_X_WEB_MODE", ""); | |
2285 | return boost::algorithm::iequals(webmode, "true"); | |
2286 | } | |
2287 | ||
2288 | bool RGWSwiftWebsiteHandler::can_be_website_req() const | |
2289 | { | |
2290 | /* Static website works only with the GET or HEAD method. Nothing more. */ | |
2291 | static const std::set<boost::string_ref> ws_methods = { "GET", "HEAD" }; | |
2292 | if (ws_methods.count(s->info.method) == 0) { | |
2293 | return false; | |
2294 | } | |
2295 | ||
2296 | /* We also need to handle early failures from the auth system. In such cases | |
2297 | * req_state::auth.identity may be empty. Let's treat that the same way as | |
2298 | * the anonymous access. */ | |
2299 | if (! s->auth.identity) { | |
2300 | return true; | |
2301 | } | |
2302 | ||
2303 | /* Swift serves websites only for anonymous requests unless client explicitly | |
2304 | * requested this behaviour by supplying X-Web-Mode HTTP header set to true. */ | |
2305 | if (s->auth.identity->is_anonymous() || is_web_mode()) { | |
2306 | return true; | |
2307 | } | |
2308 | ||
2309 | return false; | |
2310 | } | |
2311 | ||
2312 | RGWOp* RGWSwiftWebsiteHandler::get_ws_redirect_op() | |
2313 | { | |
2314 | class RGWMovedPermanently: public RGWOp { | |
2315 | const std::string location; | |
2316 | public: | |
2317 | RGWMovedPermanently(const std::string& location) | |
2318 | : location(location) { | |
2319 | } | |
2320 | ||
2321 | int verify_permission() override { | |
2322 | return 0; | |
2323 | } | |
2324 | ||
2325 | void execute() override { | |
2326 | op_ret = -ERR_PERMANENT_REDIRECT; | |
2327 | return; | |
2328 | } | |
2329 | ||
2330 | void send_response() override { | |
2331 | set_req_state_err(s, op_ret); | |
2332 | dump_errno(s); | |
2333 | dump_content_length(s, 0); | |
2334 | dump_redirect(s, location); | |
2335 | end_header(s, this); | |
2336 | } | |
2337 | ||
2338 | const string name() override { | |
2339 | return "RGWMovedPermanently"; | |
2340 | } | |
2341 | }; | |
2342 | ||
2343 | return new RGWMovedPermanently(s->info.request_uri + '/'); | |
2344 | } | |
2345 | ||
2346 | RGWOp* RGWSwiftWebsiteHandler::get_ws_index_op() | |
2347 | { | |
2348 | /* Retarget to get obj on requested index file. */ | |
2349 | if (! s->object.empty()) { | |
2350 | s->object = s->object.name + | |
2351 | s->bucket_info.website_conf.get_index_doc(); | |
2352 | } else { | |
2353 | s->object = s->bucket_info.website_conf.get_index_doc(); | |
2354 | } | |
2355 | ||
2356 | auto getop = new RGWGetObj_ObjStore_SWIFT; | |
2357 | getop->set_get_data(boost::algorithm::equals("GET", s->info.method)); | |
2358 | ||
2359 | return getop; | |
2360 | } | |
2361 | ||
2362 | RGWOp* RGWSwiftWebsiteHandler::get_ws_listing_op() | |
2363 | { | |
2364 | class RGWWebsiteListing : public RGWListBucket_ObjStore_SWIFT { | |
2365 | const std::string prefix_override; | |
2366 | ||
2367 | int get_params() override { | |
2368 | prefix = prefix_override; | |
2369 | max = default_max; | |
2370 | delimiter = "/"; | |
2371 | return 0; | |
2372 | } | |
2373 | ||
2374 | void send_response() override { | |
2375 | /* Generate the header now. */ | |
2376 | set_req_state_err(s, op_ret); | |
2377 | dump_errno(s); | |
2378 | dump_container_metadata(s, bucket, bucket_quota, | |
2379 | s->bucket_info.website_conf); | |
2380 | end_header(s, this, "text/html"); | |
2381 | if (op_ret < 0) { | |
2382 | return; | |
2383 | } | |
2384 | ||
2385 | /* Now it's the time to start generating HTML bucket listing. | |
2386 | * All the crazy stuff with crafting tags will be delegated to | |
2387 | * RGWSwiftWebsiteListingFormatter. */ | |
2388 | std::stringstream ss; | |
2389 | RGWSwiftWebsiteListingFormatter htmler(ss, prefix); | |
2390 | ||
2391 | const auto& ws_conf = s->bucket_info.website_conf; | |
2392 | htmler.generate_header(s->decoded_uri, | |
2393 | ws_conf.listing_css_doc); | |
2394 | ||
2395 | for (const auto& pair : common_prefixes) { | |
2396 | std::string subdir_name = pair.first; | |
2397 | if (! subdir_name.empty()) { | |
2398 | /* To be compliant with Swift we need to remove the trailing | |
2399 | * slash. */ | |
2400 | subdir_name.pop_back(); | |
2401 | } | |
2402 | ||
2403 | htmler.dump_subdir(subdir_name); | |
2404 | } | |
2405 | ||
2406 | for (const rgw_bucket_dir_entry& obj : objs) { | |
2407 | if (! common_prefixes.count(obj.key.name + '/')) { | |
2408 | htmler.dump_object(obj); | |
2409 | } | |
2410 | } | |
2411 | ||
2412 | htmler.generate_footer(); | |
2413 | dump_body(s, ss.str()); | |
2414 | } | |
2415 | public: | |
2416 | /* Taking prefix_override by value to leverage std::string r-value ref | |
2417 | * ctor and thus avoid extra memory copying/increasing ref counter. */ | |
2418 | RGWWebsiteListing(std::string prefix_override) | |
2419 | : prefix_override(std::move(prefix_override)) { | |
2420 | } | |
2421 | }; | |
2422 | ||
2423 | std::string prefix = std::move(s->object.name); | |
2424 | s->object = rgw_obj_key(); | |
2425 | ||
2426 | return new RGWWebsiteListing(std::move(prefix)); | |
2427 | } | |
2428 | ||
2429 | bool RGWSwiftWebsiteHandler::is_web_dir() const | |
2430 | { | |
2431 | std::string subdir_name = url_decode(s->object.name); | |
2432 | ||
2433 | /* Remove character from the subdir name if it is "/". */ | |
2434 | if (subdir_name.empty()) { | |
2435 | return false; | |
2436 | } else if (subdir_name.back() == '/') { | |
2437 | subdir_name.pop_back(); | |
2438 | } | |
2439 | ||
2440 | rgw_obj obj(s->bucket, std::move(subdir_name)); | |
2441 | ||
2442 | /* First, get attrset of the object we'll try to retrieve. */ | |
2443 | RGWObjectCtx& obj_ctx = *static_cast<RGWObjectCtx *>(s->obj_ctx); | |
2444 | obj_ctx.obj.set_atomic(obj); | |
2445 | obj_ctx.obj.set_prefetch_data(obj); | |
2446 | ||
2447 | RGWObjState* state = nullptr; | |
2448 | if (store->get_obj_state(&obj_ctx, s->bucket_info, obj, &state, false) < 0) { | |
2449 | return false; | |
2450 | } | |
2451 | ||
2452 | /* A nonexistent object cannot be a considered as a marker representing | |
2453 | * the emulation of catalog in FS hierarchy. */ | |
2454 | if (! state->exists) { | |
2455 | return false; | |
2456 | } | |
2457 | ||
2458 | /* Decode the content type. */ | |
2459 | std::string content_type; | |
2460 | get_contype_from_attrs(state->attrset, content_type); | |
2461 | ||
2462 | const auto& ws_conf = s->bucket_info.website_conf; | |
2463 | const std::string subdir_marker = ws_conf.subdir_marker.empty() | |
2464 | ? "application/directory" | |
2465 | : ws_conf.subdir_marker; | |
2466 | return subdir_marker == content_type && state->size <= 1; | |
2467 | } | |
2468 | ||
2469 | bool RGWSwiftWebsiteHandler::is_index_present(const std::string& index) | |
2470 | { | |
2471 | rgw_obj obj(s->bucket, index); | |
2472 | ||
2473 | RGWObjectCtx& obj_ctx = *static_cast<RGWObjectCtx *>(s->obj_ctx); | |
2474 | obj_ctx.obj.set_atomic(obj); | |
2475 | obj_ctx.obj.set_prefetch_data(obj); | |
2476 | ||
2477 | RGWObjState* state = nullptr; | |
2478 | if (store->get_obj_state(&obj_ctx, s->bucket_info, obj, &state, false) < 0) { | |
2479 | return false; | |
2480 | } | |
2481 | ||
2482 | /* A nonexistent object cannot be a considered as a viable index. We will | |
2483 | * try to list the bucket or - if this is impossible - return an error. */ | |
2484 | return state->exists; | |
2485 | } | |
2486 | ||
2487 | int RGWSwiftWebsiteHandler::retarget_bucket(RGWOp* op, RGWOp** new_op) | |
2488 | { | |
2489 | ldout(s->cct, 10) << "Starting retarget" << dendl; | |
2490 | RGWOp* op_override = nullptr; | |
2491 | ||
2492 | /* In Swift static web content is served if the request is anonymous or | |
2493 | * has X-Web-Mode HTTP header specified to true. */ | |
2494 | if (can_be_website_req()) { | |
2495 | const auto& ws_conf = s->bucket_info.website_conf; | |
2496 | const auto& index = s->bucket_info.website_conf.get_index_doc(); | |
2497 | ||
2498 | if (s->decoded_uri.back() != '/') { | |
2499 | op_override = get_ws_redirect_op(); | |
2500 | } else if (! index.empty() && is_index_present(index)) { | |
2501 | op_override = get_ws_index_op(); | |
2502 | } else if (ws_conf.listing_enabled) { | |
2503 | op_override = get_ws_listing_op(); | |
2504 | } | |
2505 | } | |
2506 | ||
2507 | if (op_override) { | |
2508 | handler->put_op(op); | |
2509 | op_override->init(store, s, handler); | |
2510 | ||
2511 | *new_op = op_override; | |
2512 | } else { | |
2513 | *new_op = op; | |
2514 | } | |
2515 | ||
2516 | /* Return 404 Not Found is the request has web mode enforced but we static web | |
2517 | * wasn't able to serve it accordingly. */ | |
2518 | return ! op_override && is_web_mode() ? -ENOENT : 0; | |
2519 | } | |
2520 | ||
2521 | int RGWSwiftWebsiteHandler::retarget_object(RGWOp* op, RGWOp** new_op) | |
2522 | { | |
2523 | ldout(s->cct, 10) << "Starting object retarget" << dendl; | |
2524 | RGWOp* op_override = nullptr; | |
2525 | ||
2526 | /* In Swift static web content is served if the request is anonymous or | |
2527 | * has X-Web-Mode HTTP header specified to true. */ | |
2528 | if (can_be_website_req() && is_web_dir()) { | |
2529 | const auto& ws_conf = s->bucket_info.website_conf; | |
2530 | const auto& index = s->bucket_info.website_conf.get_index_doc(); | |
2531 | ||
2532 | if (s->decoded_uri.back() != '/') { | |
2533 | op_override = get_ws_redirect_op(); | |
2534 | } else if (! index.empty() && is_index_present(index)) { | |
2535 | op_override = get_ws_index_op(); | |
2536 | } else if (ws_conf.listing_enabled) { | |
2537 | op_override = get_ws_listing_op(); | |
2538 | } | |
2539 | } else { | |
2540 | /* A regular request or the specified object isn't a subdirectory marker. | |
2541 | * We don't need any re-targeting. Error handling (like sending a custom | |
2542 | * error page) will be performed by error_handler of the actual RGWOp. */ | |
2543 | return 0; | |
2544 | } | |
2545 | ||
2546 | if (op_override) { | |
2547 | handler->put_op(op); | |
2548 | op_override->init(store, s, handler); | |
2549 | ||
2550 | *new_op = op_override; | |
2551 | } else { | |
2552 | *new_op = op; | |
2553 | } | |
2554 | ||
2555 | /* Return 404 Not Found if we aren't able to re-target for subdir marker. */ | |
2556 | return ! op_override ? -ENOENT : 0; | |
2557 | } | |
2558 | ||
2559 | ||
2560 | RGWOp *RGWHandler_REST_Bucket_SWIFT::get_obj_op(bool get_data) | |
2561 | { | |
2562 | if (is_acl_op()) { | |
2563 | return new RGWGetACLs_ObjStore_SWIFT; | |
2564 | } | |
2565 | ||
2566 | if (get_data) | |
2567 | return new RGWListBucket_ObjStore_SWIFT; | |
2568 | else | |
2569 | return new RGWStatBucket_ObjStore_SWIFT; | |
2570 | } | |
2571 | ||
2572 | RGWOp *RGWHandler_REST_Bucket_SWIFT::op_get() | |
2573 | { | |
2574 | return get_obj_op(true); | |
2575 | } | |
2576 | ||
2577 | RGWOp *RGWHandler_REST_Bucket_SWIFT::op_head() | |
2578 | { | |
2579 | return get_obj_op(false); | |
2580 | } | |
2581 | ||
2582 | RGWOp *RGWHandler_REST_Bucket_SWIFT::op_put() | |
2583 | { | |
2584 | if (is_acl_op()) { | |
2585 | return new RGWPutACLs_ObjStore_SWIFT; | |
2586 | } | |
2587 | if(s->info.args.exists("extract-archive")) { | |
2588 | return new RGWBulkUploadOp_ObjStore_SWIFT; | |
2589 | } | |
2590 | return new RGWCreateBucket_ObjStore_SWIFT; | |
2591 | } | |
2592 | ||
2593 | RGWOp *RGWHandler_REST_Bucket_SWIFT::op_delete() | |
2594 | { | |
2595 | return new RGWDeleteBucket_ObjStore_SWIFT; | |
2596 | } | |
2597 | ||
2598 | RGWOp *RGWHandler_REST_Bucket_SWIFT::op_post() | |
2599 | { | |
2600 | if (RGWFormPost::is_formpost_req(s)) { | |
2601 | return new RGWFormPost; | |
2602 | } else { | |
2603 | return new RGWPutMetadataBucket_ObjStore_SWIFT; | |
2604 | } | |
2605 | } | |
2606 | ||
2607 | RGWOp *RGWHandler_REST_Bucket_SWIFT::op_options() | |
2608 | { | |
2609 | return new RGWOptionsCORS_ObjStore_SWIFT; | |
2610 | } | |
2611 | ||
2612 | ||
2613 | RGWOp *RGWHandler_REST_Obj_SWIFT::get_obj_op(bool get_data) | |
2614 | { | |
2615 | if (is_acl_op()) { | |
2616 | return new RGWGetACLs_ObjStore_SWIFT; | |
2617 | } | |
2618 | ||
2619 | RGWGetObj_ObjStore_SWIFT *get_obj_op = new RGWGetObj_ObjStore_SWIFT; | |
2620 | get_obj_op->set_get_data(get_data); | |
2621 | return get_obj_op; | |
2622 | } | |
2623 | ||
2624 | RGWOp *RGWHandler_REST_Obj_SWIFT::op_get() | |
2625 | { | |
2626 | return get_obj_op(true); | |
2627 | } | |
2628 | ||
2629 | RGWOp *RGWHandler_REST_Obj_SWIFT::op_head() | |
2630 | { | |
2631 | return get_obj_op(false); | |
2632 | } | |
2633 | ||
2634 | RGWOp *RGWHandler_REST_Obj_SWIFT::op_put() | |
2635 | { | |
2636 | if (is_acl_op()) { | |
2637 | return new RGWPutACLs_ObjStore_SWIFT; | |
2638 | } | |
2639 | if(s->info.args.exists("extract-archive")) { | |
2640 | return new RGWBulkUploadOp_ObjStore_SWIFT; | |
2641 | } | |
2642 | if (s->init_state.src_bucket.empty()) | |
2643 | return new RGWPutObj_ObjStore_SWIFT; | |
2644 | else | |
2645 | return new RGWCopyObj_ObjStore_SWIFT; | |
2646 | } | |
2647 | ||
2648 | RGWOp *RGWHandler_REST_Obj_SWIFT::op_delete() | |
2649 | { | |
2650 | return new RGWDeleteObj_ObjStore_SWIFT; | |
2651 | } | |
2652 | ||
2653 | RGWOp *RGWHandler_REST_Obj_SWIFT::op_post() | |
2654 | { | |
2655 | if (RGWFormPost::is_formpost_req(s)) { | |
2656 | return new RGWFormPost; | |
2657 | } else { | |
2658 | return new RGWPutMetadataObject_ObjStore_SWIFT; | |
2659 | } | |
2660 | } | |
2661 | ||
2662 | RGWOp *RGWHandler_REST_Obj_SWIFT::op_copy() | |
2663 | { | |
2664 | return new RGWCopyObj_ObjStore_SWIFT; | |
2665 | } | |
2666 | ||
2667 | RGWOp *RGWHandler_REST_Obj_SWIFT::op_options() | |
2668 | { | |
2669 | return new RGWOptionsCORS_ObjStore_SWIFT; | |
2670 | } | |
2671 | ||
2672 | ||
2673 | int RGWHandler_REST_SWIFT::authorize() | |
2674 | { | |
2675 | return rgw::auth::Strategy::apply(auth_strategy, s); | |
2676 | } | |
2677 | ||
2678 | int RGWHandler_REST_SWIFT::postauth_init() | |
2679 | { | |
2680 | struct req_init_state* t = &s->init_state; | |
2681 | ||
2682 | /* XXX Stub this until Swift Auth sets account into URL. */ | |
2683 | s->bucket_tenant = s->user->user_id.tenant; | |
2684 | s->bucket_name = t->url_bucket; | |
2685 | ||
2686 | dout(10) << "s->object=" << | |
2687 | (!s->object.empty() ? s->object : rgw_obj_key("<NULL>")) | |
2688 | << " s->bucket=" | |
2689 | << rgw_make_bucket_entry_name(s->bucket_tenant, s->bucket_name) | |
2690 | << dendl; | |
2691 | ||
2692 | int ret; | |
2693 | ret = rgw_validate_tenant_name(s->bucket_tenant); | |
2694 | if (ret) | |
2695 | return ret; | |
2696 | ret = validate_bucket_name(s->bucket_name); | |
2697 | if (ret) | |
2698 | return ret; | |
2699 | ret = validate_object_name(s->object.name); | |
2700 | if (ret) | |
2701 | return ret; | |
2702 | ||
2703 | if (!t->src_bucket.empty()) { | |
2704 | /* | |
2705 | * We don't allow cross-tenant copy at present. It requires account | |
2706 | * names in the URL for Swift. | |
2707 | */ | |
2708 | s->src_tenant_name = s->user->user_id.tenant; | |
2709 | s->src_bucket_name = t->src_bucket; | |
2710 | ||
2711 | ret = validate_bucket_name(s->src_bucket_name); | |
2712 | if (ret < 0) { | |
2713 | return ret; | |
2714 | } | |
2715 | ret = validate_object_name(s->src_object.name); | |
2716 | if (ret < 0) { | |
2717 | return ret; | |
2718 | } | |
2719 | } | |
2720 | ||
2721 | return 0; | |
2722 | } | |
2723 | ||
2724 | int RGWHandler_REST_SWIFT::validate_bucket_name(const string& bucket) | |
2725 | { | |
2726 | const size_t len = bucket.size(); | |
2727 | ||
2728 | if (len > MAX_BUCKET_NAME_LEN) { | |
2729 | /* Bucket Name too long. Generate custom error message and bind it | |
2730 | * to an R-value reference. */ | |
2731 | const auto msg = boost::str( | |
2732 | boost::format("Container name length of %lld longer than %lld") | |
2733 | % len % int(MAX_BUCKET_NAME_LEN)); | |
2734 | set_req_state_err(s, ERR_INVALID_BUCKET_NAME, msg); | |
2735 | return -ERR_INVALID_BUCKET_NAME; | |
2736 | } | |
2737 | ||
2738 | const auto ret = RGWHandler_REST::validate_bucket_name(bucket); | |
2739 | if (ret < 0) { | |
2740 | return ret; | |
2741 | } | |
2742 | ||
2743 | if (len == 0) | |
2744 | return 0; | |
2745 | ||
2746 | if (bucket[0] == '.') | |
2747 | return -ERR_INVALID_BUCKET_NAME; | |
2748 | ||
2749 | if (check_utf8(bucket.c_str(), len)) | |
2750 | return -ERR_INVALID_UTF8; | |
2751 | ||
2752 | const char *s = bucket.c_str(); | |
2753 | ||
2754 | for (size_t i = 0; i < len; ++i, ++s) { | |
2755 | if (*(unsigned char *)s == 0xff) | |
2756 | return -ERR_INVALID_BUCKET_NAME; | |
2757 | } | |
2758 | ||
2759 | return 0; | |
2760 | } | |
2761 | ||
2762 | static void next_tok(string& str, string& tok, char delim) | |
2763 | { | |
2764 | if (str.size() == 0) { | |
2765 | tok = ""; | |
2766 | return; | |
2767 | } | |
2768 | tok = str; | |
2769 | int pos = str.find(delim); | |
2770 | if (pos > 0) { | |
2771 | tok = str.substr(0, pos); | |
2772 | str = str.substr(pos + 1); | |
2773 | } else { | |
2774 | str = ""; | |
2775 | } | |
2776 | } | |
2777 | ||
2778 | int RGWHandler_REST_SWIFT::init_from_header(struct req_state* const s, | |
2779 | const std::string& frontend_prefix) | |
2780 | { | |
2781 | string req; | |
2782 | string first; | |
2783 | ||
2784 | s->prot_flags |= RGW_REST_SWIFT; | |
2785 | ||
2786 | char reqbuf[frontend_prefix.length() + s->decoded_uri.length() + 1]; | |
2787 | sprintf(reqbuf, "%s%s", frontend_prefix.c_str(), s->decoded_uri.c_str()); | |
2788 | const char *req_name = reqbuf; | |
2789 | ||
2790 | const char *p; | |
2791 | ||
2792 | if (*req_name == '?') { | |
2793 | p = req_name; | |
2794 | } else { | |
2795 | p = s->info.request_params.c_str(); | |
2796 | } | |
2797 | ||
2798 | s->info.args.set(p); | |
2799 | s->info.args.parse(); | |
2800 | ||
2801 | /* Skip the leading slash of URL hierarchy. */ | |
2802 | if (req_name[0] != '/') { | |
2803 | return 0; | |
2804 | } else { | |
2805 | req_name++; | |
2806 | } | |
2807 | ||
2808 | if ('\0' == req_name[0]) { | |
2809 | return g_conf->rgw_swift_url_prefix == "/" ? -ERR_BAD_URL : 0; | |
2810 | } | |
2811 | ||
2812 | req = req_name; | |
2813 | ||
2814 | size_t pos = req.find('/'); | |
2815 | if (std::string::npos != pos && g_conf->rgw_swift_url_prefix != "/") { | |
2816 | bool cut_url = g_conf->rgw_swift_url_prefix.length(); | |
2817 | first = req.substr(0, pos); | |
2818 | ||
2819 | if (first.compare(g_conf->rgw_swift_url_prefix) == 0) { | |
2820 | if (cut_url) { | |
2821 | /* Rewind to the "v1/..." part. */ | |
2822 | next_tok(req, first, '/'); | |
2823 | } | |
2824 | } | |
2825 | } else if (req.compare(g_conf->rgw_swift_url_prefix) == 0) { | |
2826 | s->formatter = new RGWFormatter_Plain; | |
2827 | return -ERR_BAD_URL; | |
2828 | } else { | |
2829 | first = req; | |
2830 | } | |
2831 | ||
2832 | std::string tenant_path; | |
2833 | if (! g_conf->rgw_swift_tenant_name.empty()) { | |
2834 | tenant_path = "/AUTH_"; | |
2835 | tenant_path.append(g_conf->rgw_swift_tenant_name); | |
2836 | } | |
2837 | ||
2838 | /* verify that the request_uri conforms with what's expected */ | |
2839 | char buf[g_conf->rgw_swift_url_prefix.length() + 16 + tenant_path.length()]; | |
2840 | int blen; | |
2841 | if (g_conf->rgw_swift_url_prefix == "/") { | |
2842 | blen = sprintf(buf, "/v1%s", tenant_path.c_str()); | |
2843 | } else { | |
2844 | blen = sprintf(buf, "/%s/v1%s", | |
2845 | g_conf->rgw_swift_url_prefix.c_str(), tenant_path.c_str()); | |
2846 | } | |
2847 | ||
2848 | if (strncmp(reqbuf, buf, blen) != 0) { | |
2849 | return -ENOENT; | |
2850 | } | |
2851 | ||
2852 | int ret = allocate_formatter(s, RGW_FORMAT_PLAIN, true); | |
2853 | if (ret < 0) | |
2854 | return ret; | |
2855 | ||
2856 | string ver; | |
2857 | ||
2858 | next_tok(req, ver, '/'); | |
2859 | ||
2860 | if (!tenant_path.empty() || g_conf->rgw_swift_account_in_url) { | |
2861 | string account_name; | |
2862 | next_tok(req, account_name, '/'); | |
2863 | ||
2864 | /* Erase all pre-defined prefixes like "AUTH_" or "KEY_". */ | |
2865 | const vector<string> skipped_prefixes = { "AUTH_", "KEY_" }; | |
2866 | ||
2867 | for (const auto pfx : skipped_prefixes) { | |
2868 | const size_t comp_len = min(account_name.length(), pfx.length()); | |
2869 | if (account_name.compare(0, comp_len, pfx) == 0) { | |
2870 | /* Prefix is present. Drop it. */ | |
2871 | account_name = account_name.substr(comp_len); | |
2872 | break; | |
2873 | } | |
2874 | } | |
2875 | ||
2876 | if (account_name.empty()) { | |
2877 | return -ERR_PRECONDITION_FAILED; | |
2878 | } else { | |
2879 | s->account_name = account_name; | |
2880 | } | |
2881 | } | |
2882 | ||
2883 | next_tok(req, first, '/'); | |
2884 | ||
2885 | dout(10) << "ver=" << ver << " first=" << first << " req=" << req << dendl; | |
2886 | if (first.size() == 0) | |
2887 | return 0; | |
2888 | ||
2889 | s->info.effective_uri = "/" + first; | |
2890 | ||
2891 | // Save bucket to tide us over until token is parsed. | |
2892 | s->init_state.url_bucket = first; | |
2893 | ||
2894 | if (req.size()) { | |
2895 | s->object = | |
2896 | rgw_obj_key(req, s->info.env->get("HTTP_X_OBJECT_VERSION_ID", "")); /* rgw swift extension */ | |
2897 | s->info.effective_uri.append("/" + s->object.name); | |
2898 | } | |
2899 | ||
2900 | return 0; | |
2901 | } | |
2902 | ||
2903 | int RGWHandler_REST_SWIFT::init(RGWRados* store, struct req_state* s, | |
2904 | rgw::io::BasicClient *cio) | |
2905 | { | |
2906 | struct req_init_state *t = &s->init_state; | |
2907 | ||
2908 | s->dialect = "swift"; | |
2909 | ||
2910 | const char *copy_source = s->info.env->get("HTTP_X_COPY_FROM"); | |
2911 | if (copy_source) { | |
2912 | bool result = RGWCopyObj::parse_copy_location(copy_source, t->src_bucket, | |
2913 | s->src_object); | |
2914 | if (!result) | |
2915 | return -ERR_BAD_URL; | |
2916 | } | |
2917 | ||
2918 | if (s->op == OP_COPY) { | |
2919 | const char *req_dest = s->info.env->get("HTTP_DESTINATION"); | |
2920 | if (!req_dest) | |
2921 | return -ERR_BAD_URL; | |
2922 | ||
2923 | string dest_bucket_name; | |
2924 | rgw_obj_key dest_obj_key; | |
2925 | bool result = | |
2926 | RGWCopyObj::parse_copy_location(req_dest, dest_bucket_name, | |
2927 | dest_obj_key); | |
2928 | if (!result) | |
2929 | return -ERR_BAD_URL; | |
2930 | ||
2931 | string dest_object = dest_obj_key.name; | |
2932 | ||
2933 | /* convert COPY operation into PUT */ | |
2934 | t->src_bucket = t->url_bucket; | |
2935 | s->src_object = s->object; | |
2936 | t->url_bucket = dest_bucket_name; | |
2937 | s->object = rgw_obj_key(dest_object); | |
2938 | s->op = OP_PUT; | |
2939 | } | |
2940 | ||
2941 | return RGWHandler_REST::init(store, s, cio); | |
2942 | } | |
2943 | ||
2944 | RGWHandler_REST* | |
2945 | RGWRESTMgr_SWIFT::get_handler(struct req_state* const s, | |
2946 | const rgw::auth::StrategyRegistry& auth_registry, | |
2947 | const std::string& frontend_prefix) | |
2948 | { | |
2949 | int ret = RGWHandler_REST_SWIFT::init_from_header(s, frontend_prefix); | |
2950 | if (ret < 0) { | |
2951 | ldout(s->cct, 10) << "init_from_header returned err=" << ret << dendl; | |
2952 | return nullptr; | |
2953 | } | |
2954 | ||
2955 | const auto& auth_strategy = auth_registry.get_swift(); | |
2956 | ||
2957 | if (s->init_state.url_bucket.empty()) { | |
2958 | return new RGWHandler_REST_Service_SWIFT(auth_strategy); | |
2959 | } | |
2960 | ||
2961 | if (s->object.empty()) { | |
2962 | return new RGWHandler_REST_Bucket_SWIFT(auth_strategy); | |
2963 | } | |
2964 | ||
2965 | return new RGWHandler_REST_Obj_SWIFT(auth_strategy); | |
2966 | } | |
2967 | ||
2968 | RGWHandler_REST* RGWRESTMgr_SWIFT_Info::get_handler( | |
2969 | struct req_state* const s, | |
2970 | const rgw::auth::StrategyRegistry& auth_registry, | |
2971 | const std::string& frontend_prefix) | |
2972 | { | |
2973 | s->prot_flags |= RGW_REST_SWIFT; | |
2974 | const auto& auth_strategy = auth_registry.get_swift(); | |
2975 | return new RGWHandler_REST_SWIFT_Info(auth_strategy); | |
2976 | } |