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7c673cae FG |
1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- |
2 | // vim: ts=8 sw=2 smarttab | |
3 | ||
4 | #ifndef CEPH_RGW_REST_H | |
5 | #define CEPH_RGW_REST_H | |
6 | ||
7 | #define TIME_BUF_SIZE 128 | |
8 | ||
9 | #include <boost/utility/string_ref.hpp> | |
10 | #include <boost/container/flat_set.hpp> | |
11 | #include "common/sstring.hh" | |
12 | #include "common/ceph_json.h" | |
11fdf7f2 | 13 | #include "include/ceph_assert.h" /* needed because of common/ceph_json.h */ |
7c673cae FG |
14 | #include "rgw_op.h" |
15 | #include "rgw_formats.h" | |
16 | #include "rgw_client_io.h" | |
17 | ||
18 | extern std::map<std::string, std::string> rgw_to_http_attrs; | |
19 | ||
11fdf7f2 | 20 | extern void rgw_rest_init(CephContext *cct, RGWRados *store, const RGWZoneGroup& zone_group); |
7c673cae FG |
21 | |
22 | extern void rgw_flush_formatter_and_reset(struct req_state *s, | |
23 | ceph::Formatter *formatter); | |
24 | ||
25 | extern void rgw_flush_formatter(struct req_state *s, | |
26 | ceph::Formatter *formatter); | |
27 | ||
11fdf7f2 TL |
28 | std::tuple<int, bufferlist > rgw_rest_read_all_input(struct req_state *s, |
29 | const uint64_t max_len, | |
30 | const bool allow_chunked=true); | |
31 | ||
32 | static inline boost::string_ref rgw_sanitized_hdrval(ceph::buffer::list& raw) | |
33 | { | |
34 | /* std::string and thus boost::string_ref ARE OBLIGED to carry multiple | |
35 | * 0x00 and count them to the length of a string. We need to take that | |
36 | * into consideration and sanitize the size of a ceph::buffer::list used | |
37 | * to store metadata values (x-amz-meta-*, X-Container-Meta-*, etags). | |
38 | * Otherwise we might send 0x00 to clients. */ | |
39 | const char* const data = raw.c_str(); | |
40 | size_t len = raw.length(); | |
41 | ||
42 | if (len && data[len - 1] == '\0') { | |
43 | /* That's the case - the null byte has been included at the last position | |
44 | * of the bufferlist. We need to restore the proper string length we'll | |
45 | * pass to string_ref. */ | |
46 | len--; | |
47 | } | |
48 | ||
49 | return boost::string_ref(data, len); | |
50 | } | |
7c673cae FG |
51 | |
52 | template <class T> | |
53 | int rgw_rest_get_json_input(CephContext *cct, req_state *s, T& out, | |
54 | uint64_t max_len, bool *empty) | |
55 | { | |
7c673cae FG |
56 | if (empty) |
57 | *empty = false; | |
58 | ||
11fdf7f2 TL |
59 | int rv = 0; |
60 | bufferlist data; | |
61 | std::tie(rv, data) = rgw_rest_read_all_input(s, max_len); | |
62 | if (rv < 0) { | |
7c673cae FG |
63 | return rv; |
64 | } | |
65 | ||
11fdf7f2 | 66 | if (!data.length()) { |
7c673cae FG |
67 | if (empty) { |
68 | *empty = true; | |
69 | } | |
70 | ||
71 | return -EINVAL; | |
72 | } | |
73 | ||
74 | JSONParser parser; | |
75 | ||
11fdf7f2 | 76 | if (!parser.parse(data.c_str(), data.length())) { |
7c673cae FG |
77 | return -EINVAL; |
78 | } | |
79 | ||
7c673cae FG |
80 | try { |
81 | decode_json_obj(out, &parser); | |
82 | } catch (JSONDecoder::err& e) { | |
83 | return -EINVAL; | |
84 | } | |
85 | ||
86 | return 0; | |
87 | } | |
88 | ||
89 | template <class T> | |
11fdf7f2 | 90 | std::tuple<int, bufferlist > rgw_rest_get_json_input_keep_data(CephContext *cct, req_state *s, T& out, uint64_t max_len) |
7c673cae | 91 | { |
11fdf7f2 TL |
92 | int rv = 0; |
93 | bufferlist data; | |
94 | std::tie(rv, data) = rgw_rest_read_all_input(s, max_len); | |
95 | if (rv < 0) { | |
96 | return std::make_tuple(rv, std::move(data)); | |
7c673cae FG |
97 | } |
98 | ||
11fdf7f2 TL |
99 | if (!data.length()) { |
100 | return std::make_tuple(-EINVAL, std::move(data)); | |
7c673cae FG |
101 | } |
102 | ||
7c673cae FG |
103 | JSONParser parser; |
104 | ||
11fdf7f2 TL |
105 | if (!parser.parse(data.c_str(), data.length())) { |
106 | return std::make_tuple(-EINVAL, std::move(data)); | |
7c673cae FG |
107 | } |
108 | ||
109 | try { | |
110 | decode_json_obj(out, &parser); | |
111 | } catch (JSONDecoder::err& e) { | |
11fdf7f2 | 112 | return std::make_tuple(-EINVAL, std::move(data)); |
7c673cae FG |
113 | } |
114 | ||
11fdf7f2 | 115 | return std::make_tuple(0, std::move(data)); |
7c673cae FG |
116 | } |
117 | ||
118 | class RESTArgs { | |
119 | public: | |
120 | static int get_string(struct req_state *s, const string& name, | |
121 | const string& def_val, string *val, | |
122 | bool *existed = NULL); | |
123 | static int get_uint64(struct req_state *s, const string& name, | |
124 | uint64_t def_val, uint64_t *val, bool *existed = NULL); | |
125 | static int get_int64(struct req_state *s, const string& name, | |
126 | int64_t def_val, int64_t *val, bool *existed = NULL); | |
127 | static int get_uint32(struct req_state *s, const string& name, | |
128 | uint32_t def_val, uint32_t *val, bool *existed = NULL); | |
129 | static int get_int32(struct req_state *s, const string& name, | |
130 | int32_t def_val, int32_t *val, bool *existed = NULL); | |
131 | static int get_time(struct req_state *s, const string& name, | |
132 | const utime_t& def_val, utime_t *val, | |
133 | bool *existed = NULL); | |
134 | static int get_epoch(struct req_state *s, const string& name, | |
135 | uint64_t def_val, uint64_t *epoch, | |
136 | bool *existed = NULL); | |
137 | static int get_bool(struct req_state *s, const string& name, bool def_val, | |
138 | bool *val, bool *existed = NULL); | |
139 | }; | |
140 | ||
141 | class RGWRESTFlusher : public RGWFormatterFlusher { | |
142 | struct req_state *s; | |
143 | RGWOp *op; | |
144 | protected: | |
145 | void do_flush() override; | |
146 | void do_start(int ret) override; | |
147 | public: | |
148 | RGWRESTFlusher(struct req_state *_s, RGWOp *_op) : | |
149 | RGWFormatterFlusher(_s->formatter), s(_s), op(_op) {} | |
150 | RGWRESTFlusher() : RGWFormatterFlusher(NULL), s(NULL), op(NULL) {} | |
151 | ||
152 | void init(struct req_state *_s, RGWOp *_op) { | |
153 | s = _s; | |
154 | op = _op; | |
155 | set_formatter(s->formatter); | |
156 | } | |
157 | }; | |
158 | ||
159 | class RGWGetObj_ObjStore : public RGWGetObj | |
160 | { | |
161 | protected: | |
162 | bool sent_header; | |
163 | public: | |
164 | RGWGetObj_ObjStore() : sent_header(false) {} | |
165 | ||
166 | void init(RGWRados *store, struct req_state *s, RGWHandler *h) override { | |
167 | RGWGetObj::init(store, s, h); | |
168 | sent_header = false; | |
169 | } | |
170 | ||
171 | int get_params() override; | |
172 | }; | |
173 | ||
224ce89b WB |
174 | class RGWGetObjTags_ObjStore : public RGWGetObjTags { |
175 | public: | |
176 | RGWGetObjTags_ObjStore() {}; | |
177 | ~RGWGetObjTags_ObjStore() {}; | |
178 | }; | |
179 | ||
180 | class RGWPutObjTags_ObjStore: public RGWPutObjTags { | |
181 | public: | |
182 | RGWPutObjTags_ObjStore() {}; | |
183 | ~RGWPutObjTags_ObjStore() {}; | |
184 | }; | |
185 | ||
7c673cae FG |
186 | class RGWListBuckets_ObjStore : public RGWListBuckets { |
187 | public: | |
188 | RGWListBuckets_ObjStore() {} | |
189 | ~RGWListBuckets_ObjStore() override {} | |
190 | }; | |
191 | ||
192 | class RGWGetUsage_ObjStore : public RGWGetUsage { | |
193 | public: | |
194 | RGWGetUsage_ObjStore() {} | |
195 | ~RGWGetUsage_ObjStore() override {} | |
196 | }; | |
197 | ||
198 | class RGWListBucket_ObjStore : public RGWListBucket { | |
199 | public: | |
200 | RGWListBucket_ObjStore() {} | |
201 | ~RGWListBucket_ObjStore() override {} | |
202 | }; | |
203 | ||
204 | class RGWStatAccount_ObjStore : public RGWStatAccount { | |
205 | public: | |
206 | RGWStatAccount_ObjStore() {} | |
207 | ~RGWStatAccount_ObjStore() override {} | |
208 | }; | |
209 | ||
210 | class RGWStatBucket_ObjStore : public RGWStatBucket { | |
211 | public: | |
212 | RGWStatBucket_ObjStore() {} | |
213 | ~RGWStatBucket_ObjStore() override {} | |
214 | }; | |
215 | ||
216 | class RGWCreateBucket_ObjStore : public RGWCreateBucket { | |
217 | public: | |
218 | RGWCreateBucket_ObjStore() {} | |
219 | ~RGWCreateBucket_ObjStore() override {} | |
220 | }; | |
221 | ||
222 | class RGWDeleteBucket_ObjStore : public RGWDeleteBucket { | |
223 | public: | |
224 | RGWDeleteBucket_ObjStore() {} | |
225 | ~RGWDeleteBucket_ObjStore() override {} | |
226 | }; | |
227 | ||
228 | class RGWPutObj_ObjStore : public RGWPutObj | |
229 | { | |
230 | public: | |
231 | RGWPutObj_ObjStore() {} | |
232 | ~RGWPutObj_ObjStore() override {} | |
233 | ||
234 | int verify_params() override; | |
235 | int get_params() override; | |
236 | int get_data(bufferlist& bl) override; | |
7c673cae FG |
237 | }; |
238 | ||
239 | class RGWPostObj_ObjStore : public RGWPostObj | |
240 | { | |
241 | std::string boundary; | |
242 | ||
243 | public: | |
244 | struct post_part_field { | |
245 | std::string val; | |
246 | std::map<std::string, std::string> params; | |
247 | }; | |
248 | ||
249 | struct post_form_part { | |
250 | std::string name; | |
251 | std::map<std::string, post_part_field, ltstr_nocase> fields; | |
252 | ceph::bufferlist data; | |
253 | }; | |
254 | ||
255 | protected: | |
256 | using parts_collection_t = \ | |
257 | std::map<std::string, post_form_part, const ltstr_nocase>; | |
258 | ||
259 | std::string err_msg; | |
260 | ceph::bufferlist in_data; | |
261 | ||
262 | int read_with_boundary(ceph::bufferlist& bl, | |
263 | uint64_t max, | |
264 | bool check_eol, | |
265 | bool& reached_boundary, | |
266 | bool& done); | |
267 | ||
268 | int read_line(ceph::bufferlist& bl, | |
269 | uint64_t max, | |
270 | bool& reached_boundary, | |
271 | bool& done); | |
272 | ||
273 | int read_data(ceph::bufferlist& bl, | |
274 | uint64_t max, | |
275 | bool& reached_boundary, | |
276 | bool& done); | |
277 | ||
278 | int read_form_part_header(struct post_form_part *part, bool& done); | |
279 | ||
280 | int get_params() override; | |
281 | ||
282 | static int parse_part_field(const std::string& line, | |
283 | std::string& field_name, /* out */ | |
284 | post_part_field& field); /* out */ | |
285 | ||
286 | static void parse_boundary_params(const std::string& params_str, | |
287 | std::string& first, | |
288 | std::map<std::string, std::string>& params); | |
289 | ||
290 | static bool part_str(parts_collection_t& parts, | |
291 | const std::string& name, | |
292 | std::string *val); | |
293 | ||
294 | static std::string get_part_str(parts_collection_t& parts, | |
295 | const std::string& name, | |
296 | const std::string& def_val = std::string()); | |
297 | ||
298 | static bool part_bl(parts_collection_t& parts, | |
299 | const std::string& name, | |
300 | ceph::bufferlist *pbl); | |
301 | ||
302 | public: | |
303 | RGWPostObj_ObjStore() {} | |
304 | ~RGWPostObj_ObjStore() override {} | |
305 | ||
306 | int verify_params() override; | |
307 | }; | |
308 | ||
309 | ||
310 | class RGWPutMetadataAccount_ObjStore : public RGWPutMetadataAccount | |
311 | { | |
312 | public: | |
313 | RGWPutMetadataAccount_ObjStore() {} | |
314 | ~RGWPutMetadataAccount_ObjStore() override {} | |
315 | }; | |
316 | ||
317 | class RGWPutMetadataBucket_ObjStore : public RGWPutMetadataBucket | |
318 | { | |
319 | public: | |
320 | RGWPutMetadataBucket_ObjStore() {} | |
321 | ~RGWPutMetadataBucket_ObjStore() override {} | |
322 | }; | |
323 | ||
324 | class RGWPutMetadataObject_ObjStore : public RGWPutMetadataObject | |
325 | { | |
326 | public: | |
327 | RGWPutMetadataObject_ObjStore() {} | |
328 | ~RGWPutMetadataObject_ObjStore() override {} | |
329 | }; | |
330 | ||
331 | class RGWDeleteObj_ObjStore : public RGWDeleteObj { | |
332 | public: | |
333 | RGWDeleteObj_ObjStore() {} | |
334 | ~RGWDeleteObj_ObjStore() override {} | |
335 | }; | |
336 | ||
337 | class RGWGetCrossDomainPolicy_ObjStore : public RGWGetCrossDomainPolicy { | |
338 | public: | |
339 | RGWGetCrossDomainPolicy_ObjStore() = default; | |
340 | ~RGWGetCrossDomainPolicy_ObjStore() override = default; | |
341 | }; | |
342 | ||
343 | class RGWGetHealthCheck_ObjStore : public RGWGetHealthCheck { | |
344 | public: | |
345 | RGWGetHealthCheck_ObjStore() = default; | |
346 | ~RGWGetHealthCheck_ObjStore() override = default; | |
347 | }; | |
348 | ||
349 | class RGWCopyObj_ObjStore : public RGWCopyObj { | |
350 | public: | |
351 | RGWCopyObj_ObjStore() {} | |
352 | ~RGWCopyObj_ObjStore() override {} | |
353 | }; | |
354 | ||
355 | class RGWGetACLs_ObjStore : public RGWGetACLs { | |
356 | public: | |
357 | RGWGetACLs_ObjStore() {} | |
358 | ~RGWGetACLs_ObjStore() override {} | |
359 | }; | |
360 | ||
361 | class RGWPutACLs_ObjStore : public RGWPutACLs { | |
362 | public: | |
363 | RGWPutACLs_ObjStore() {} | |
364 | ~RGWPutACLs_ObjStore() override {} | |
365 | ||
366 | int get_params() override; | |
367 | }; | |
368 | ||
369 | class RGWGetLC_ObjStore : public RGWGetLC { | |
370 | public: | |
371 | RGWGetLC_ObjStore() {} | |
372 | ~RGWGetLC_ObjStore() override {} | |
373 | }; | |
374 | ||
375 | class RGWPutLC_ObjStore : public RGWPutLC { | |
376 | public: | |
377 | RGWPutLC_ObjStore() {} | |
378 | ~RGWPutLC_ObjStore() override {} | |
379 | ||
380 | int get_params() override; | |
381 | }; | |
382 | ||
383 | class RGWDeleteLC_ObjStore : public RGWDeleteLC { | |
384 | public: | |
385 | RGWDeleteLC_ObjStore() {} | |
386 | ~RGWDeleteLC_ObjStore() override {} | |
387 | ||
388 | }; | |
389 | ||
390 | class RGWGetCORS_ObjStore : public RGWGetCORS { | |
391 | public: | |
392 | RGWGetCORS_ObjStore() {} | |
393 | ~RGWGetCORS_ObjStore() override {} | |
394 | }; | |
395 | ||
396 | class RGWPutCORS_ObjStore : public RGWPutCORS { | |
397 | public: | |
398 | RGWPutCORS_ObjStore() {} | |
399 | ~RGWPutCORS_ObjStore() override {} | |
400 | }; | |
401 | ||
402 | class RGWDeleteCORS_ObjStore : public RGWDeleteCORS { | |
403 | public: | |
404 | RGWDeleteCORS_ObjStore() {} | |
405 | ~RGWDeleteCORS_ObjStore() override {} | |
406 | }; | |
407 | ||
408 | class RGWOptionsCORS_ObjStore : public RGWOptionsCORS { | |
409 | public: | |
410 | RGWOptionsCORS_ObjStore() {} | |
411 | ~RGWOptionsCORS_ObjStore() override {} | |
412 | }; | |
413 | ||
414 | class RGWInitMultipart_ObjStore : public RGWInitMultipart { | |
415 | public: | |
416 | RGWInitMultipart_ObjStore() {} | |
417 | ~RGWInitMultipart_ObjStore() override {} | |
418 | }; | |
419 | ||
420 | class RGWCompleteMultipart_ObjStore : public RGWCompleteMultipart { | |
421 | public: | |
422 | RGWCompleteMultipart_ObjStore() {} | |
423 | ~RGWCompleteMultipart_ObjStore() override {} | |
424 | ||
425 | int get_params() override; | |
426 | }; | |
427 | ||
428 | class RGWAbortMultipart_ObjStore : public RGWAbortMultipart { | |
429 | public: | |
430 | RGWAbortMultipart_ObjStore() {} | |
431 | ~RGWAbortMultipart_ObjStore() override {} | |
432 | }; | |
433 | ||
434 | class RGWListMultipart_ObjStore : public RGWListMultipart { | |
435 | public: | |
436 | RGWListMultipart_ObjStore() {} | |
437 | ~RGWListMultipart_ObjStore() override {} | |
438 | ||
439 | int get_params() override; | |
440 | }; | |
441 | ||
442 | class RGWListBucketMultiparts_ObjStore : public RGWListBucketMultiparts { | |
443 | public: | |
444 | RGWListBucketMultiparts_ObjStore() {} | |
445 | ~RGWListBucketMultiparts_ObjStore() override {} | |
446 | ||
447 | int get_params() override; | |
448 | }; | |
449 | ||
450 | class RGWBulkDelete_ObjStore : public RGWBulkDelete { | |
451 | public: | |
452 | RGWBulkDelete_ObjStore() {} | |
453 | ~RGWBulkDelete_ObjStore() override {} | |
454 | }; | |
455 | ||
456 | class RGWBulkUploadOp_ObjStore : public RGWBulkUploadOp { | |
457 | public: | |
458 | RGWBulkUploadOp_ObjStore() = default; | |
459 | ~RGWBulkUploadOp_ObjStore() = default; | |
460 | }; | |
461 | ||
462 | class RGWDeleteMultiObj_ObjStore : public RGWDeleteMultiObj { | |
463 | public: | |
464 | RGWDeleteMultiObj_ObjStore() {} | |
465 | ~RGWDeleteMultiObj_ObjStore() override {} | |
466 | ||
467 | int get_params() override; | |
468 | }; | |
469 | ||
470 | class RGWInfo_ObjStore : public RGWInfo { | |
471 | public: | |
472 | RGWInfo_ObjStore() = default; | |
473 | ~RGWInfo_ObjStore() override = default; | |
474 | }; | |
475 | ||
476 | class RGWRESTOp : public RGWOp { | |
477 | protected: | |
478 | int http_ret; | |
479 | RGWRESTFlusher flusher; | |
480 | public: | |
481 | RGWRESTOp() : http_ret(0) {} | |
482 | void init(RGWRados *store, struct req_state *s, | |
483 | RGWHandler *dialect_handler) override { | |
484 | RGWOp::init(store, s, dialect_handler); | |
485 | flusher.init(s, this); | |
486 | } | |
487 | void send_response() override; | |
488 | virtual int check_caps(RGWUserCaps& caps) | |
489 | { return -EPERM; } /* should to be implemented! */ | |
490 | int verify_permission() override; | |
11fdf7f2 | 491 | dmc::client_id dmclock_client() override { return dmc::client_id::admin; } |
7c673cae FG |
492 | }; |
493 | ||
494 | class RGWHandler_REST : public RGWHandler { | |
495 | protected: | |
496 | ||
497 | virtual bool is_obj_update_op() { return false; } | |
498 | virtual RGWOp *op_get() { return NULL; } | |
499 | virtual RGWOp *op_put() { return NULL; } | |
500 | virtual RGWOp *op_delete() { return NULL; } | |
501 | virtual RGWOp *op_head() { return NULL; } | |
502 | virtual RGWOp *op_post() { return NULL; } | |
503 | virtual RGWOp *op_copy() { return NULL; } | |
504 | virtual RGWOp *op_options() { return NULL; } | |
505 | ||
506 | static int allocate_formatter(struct req_state *s, int default_formatter, | |
507 | bool configurable); | |
508 | public: | |
509 | static constexpr int MAX_BUCKET_NAME_LEN = 255; | |
510 | static constexpr int MAX_OBJ_NAME_LEN = 1024; | |
511 | ||
512 | RGWHandler_REST() {} | |
513 | ~RGWHandler_REST() override {} | |
514 | ||
7c673cae FG |
515 | static int validate_bucket_name(const string& bucket); |
516 | static int validate_object_name(const string& object); | |
517 | ||
518 | int init_permissions(RGWOp* op) override; | |
519 | int read_permissions(RGWOp* op) override; | |
520 | ||
521 | virtual RGWOp* get_op(RGWRados* store); | |
522 | virtual void put_op(RGWOp* op); | |
523 | }; | |
524 | ||
525 | class RGWHandler_REST_SWIFT; | |
526 | class RGWHandler_SWIFT_Auth; | |
527 | class RGWHandler_REST_S3; | |
528 | ||
529 | namespace rgw { | |
530 | namespace auth { | |
531 | ||
532 | class StrategyRegistry; | |
533 | ||
534 | } | |
535 | } | |
536 | ||
537 | class RGWRESTMgr { | |
538 | bool should_log; | |
539 | ||
540 | protected: | |
541 | std::map<std::string, RGWRESTMgr*> resource_mgrs; | |
542 | std::multimap<size_t, std::string> resources_by_size; | |
543 | RGWRESTMgr* default_mgr; | |
544 | ||
545 | virtual RGWRESTMgr* get_resource_mgr(struct req_state* s, | |
546 | const std::string& uri, | |
547 | std::string* out_uri); | |
548 | ||
549 | virtual RGWRESTMgr* get_resource_mgr_as_default(struct req_state* const s, | |
550 | const std::string& uri, | |
551 | std::string* our_uri) { | |
552 | return this; | |
553 | } | |
554 | ||
555 | public: | |
556 | RGWRESTMgr() | |
557 | : should_log(false), | |
558 | default_mgr(nullptr) { | |
559 | } | |
560 | virtual ~RGWRESTMgr(); | |
561 | ||
562 | void register_resource(std::string resource, RGWRESTMgr* mgr); | |
563 | void register_default_mgr(RGWRESTMgr* mgr); | |
564 | ||
565 | virtual RGWRESTMgr* get_manager(struct req_state* const s, | |
566 | /* Prefix to be concatenated with @uri | |
567 | * during the lookup. */ | |
568 | const std::string& frontend_prefix, | |
569 | const std::string& uri, | |
570 | std::string* out_uri) final { | |
571 | return get_resource_mgr(s, frontend_prefix + uri, out_uri); | |
572 | } | |
573 | ||
574 | virtual RGWHandler_REST* get_handler( | |
575 | struct req_state* const s, | |
576 | const rgw::auth::StrategyRegistry& auth_registry, | |
577 | const std::string& frontend_prefix | |
578 | ) { | |
579 | return nullptr; | |
580 | } | |
581 | ||
582 | virtual void put_handler(RGWHandler_REST* const handler) { | |
583 | delete handler; | |
584 | } | |
585 | ||
586 | void set_logging(bool _should_log) { | |
587 | should_log = _should_log; | |
588 | } | |
589 | ||
590 | bool get_logging() const { | |
591 | return should_log; | |
592 | } | |
593 | }; | |
594 | ||
595 | class RGWLibIO; | |
596 | class RGWRestfulIO; | |
597 | ||
598 | class RGWREST { | |
599 | using x_header = basic_sstring<char, uint16_t, 32>; | |
600 | boost::container::flat_set<x_header> x_headers; | |
601 | RGWRESTMgr mgr; | |
602 | ||
603 | static int preprocess(struct req_state *s, rgw::io::BasicClient* rio); | |
604 | public: | |
605 | RGWREST() {} | |
606 | RGWHandler_REST *get_handler(RGWRados *store, | |
607 | struct req_state *s, | |
608 | const rgw::auth::StrategyRegistry& auth_registry, | |
609 | const std::string& frontend_prefix, | |
610 | RGWRestfulIO *rio, | |
611 | RGWRESTMgr **pmgr, | |
612 | int *init_error); | |
613 | #if 0 | |
614 | RGWHandler *get_handler(RGWRados *store, struct req_state *s, | |
615 | RGWLibIO *io, RGWRESTMgr **pmgr, | |
616 | int *init_error); | |
617 | #endif | |
618 | ||
619 | void put_handler(RGWHandler_REST *handler) { | |
620 | mgr.put_handler(handler); | |
621 | } | |
622 | ||
623 | void register_resource(string resource, RGWRESTMgr *m, | |
624 | bool register_empty = false) { | |
625 | if (!register_empty && resource.empty()) | |
626 | return; | |
627 | ||
628 | mgr.register_resource(resource, m); | |
629 | } | |
630 | ||
631 | void register_default_mgr(RGWRESTMgr *m) { | |
632 | mgr.register_default_mgr(m); | |
633 | } | |
634 | ||
635 | void register_x_headers(const std::string& headers); | |
636 | ||
637 | bool log_x_headers(void) { | |
638 | return (x_headers.size() > 0); | |
639 | } | |
640 | ||
641 | bool log_x_header(const std::string& header) { | |
642 | return (x_headers.find(header) != x_headers.end()); | |
643 | } | |
644 | }; | |
645 | ||
646 | static constexpr int64_t NO_CONTENT_LENGTH = -1; | |
647 | static constexpr int64_t CHUNKED_TRANSFER_ENCODING = -2; | |
648 | ||
7c673cae FG |
649 | extern void dump_errno(int http_ret, string& out); |
650 | extern void dump_errno(const struct rgw_err &err, string& out); | |
651 | extern void dump_errno(struct req_state *s); | |
652 | extern void dump_errno(struct req_state *s, int http_ret); | |
653 | extern void end_header(struct req_state *s, | |
654 | RGWOp* op = nullptr, | |
655 | const char *content_type = nullptr, | |
656 | const int64_t proposed_content_length = | |
657 | NO_CONTENT_LENGTH, | |
658 | bool force_content_type = false, | |
659 | bool force_no_error = false); | |
660 | extern void dump_start(struct req_state *s); | |
661 | extern void list_all_buckets_start(struct req_state *s); | |
662 | extern void dump_owner(struct req_state *s, const rgw_user& id, string& name, | |
663 | const char *section = NULL); | |
664 | extern void dump_header(struct req_state* s, | |
665 | const boost::string_ref& name, | |
666 | const boost::string_ref& val); | |
667 | extern void dump_header(struct req_state* s, | |
668 | const boost::string_ref& name, | |
669 | ceph::buffer::list& bl); | |
670 | extern void dump_header(struct req_state* s, | |
671 | const boost::string_ref& name, | |
672 | long long val); | |
673 | extern void dump_header(struct req_state* s, | |
674 | const boost::string_ref& name, | |
675 | const utime_t& val); | |
3efd9988 | 676 | |
7c673cae FG |
677 | template <class... Args> |
678 | static inline void dump_header_prefixed(struct req_state* s, | |
679 | const boost::string_ref& name_prefix, | |
680 | const boost::string_ref& name, | |
681 | Args&&... args) { | |
682 | char full_name_buf[name_prefix.size() + name.size() + 1]; | |
683 | const auto len = snprintf(full_name_buf, sizeof(full_name_buf), "%.*s%.*s", | |
684 | static_cast<int>(name_prefix.length()), | |
685 | name_prefix.data(), | |
686 | static_cast<int>(name.length()), | |
687 | name.data()); | |
688 | boost::string_ref full_name(full_name_buf, len); | |
689 | return dump_header(s, std::move(full_name), std::forward<Args>(args)...); | |
690 | } | |
691 | ||
3efd9988 FG |
692 | template <class... Args> |
693 | static inline void dump_header_infixed(struct req_state* s, | |
694 | const boost::string_ref& prefix, | |
695 | const boost::string_ref& infix, | |
696 | const boost::string_ref& sufix, | |
697 | Args&&... args) { | |
698 | char full_name_buf[prefix.size() + infix.size() + sufix.size() + 1]; | |
699 | const auto len = snprintf(full_name_buf, sizeof(full_name_buf), "%.*s%.*s%.*s", | |
700 | static_cast<int>(prefix.length()), | |
701 | prefix.data(), | |
702 | static_cast<int>(infix.length()), | |
703 | infix.data(), | |
704 | static_cast<int>(sufix.length()), | |
705 | sufix.data()); | |
706 | boost::string_ref full_name(full_name_buf, len); | |
707 | return dump_header(s, std::move(full_name), std::forward<Args>(args)...); | |
708 | } | |
709 | ||
7c673cae FG |
710 | template <class... Args> |
711 | static inline void dump_header_quoted(struct req_state* s, | |
712 | const boost::string_ref& name, | |
713 | const boost::string_ref& val) { | |
714 | /* We need two extra bytes for quotes. */ | |
715 | char qvalbuf[val.size() + 2 + 1]; | |
716 | const auto len = snprintf(qvalbuf, sizeof(qvalbuf), "\"%.*s\"", | |
717 | static_cast<int>(val.length()), val.data()); | |
718 | return dump_header(s, name, boost::string_ref(qvalbuf, len)); | |
719 | } | |
720 | ||
721 | template <class ValueT> | |
722 | static inline void dump_header_if_nonempty(struct req_state* s, | |
723 | const boost::string_ref& name, | |
724 | const ValueT& value) { | |
725 | if (name.length() > 0 && value.length() > 0) { | |
726 | return dump_header(s, name, value); | |
727 | } | |
728 | } | |
729 | ||
3a9019d9 FG |
730 | static inline std::string compute_domain_uri(const struct req_state *s) { |
731 | std::string uri = (!s->info.domain.empty()) ? s->info.domain : | |
732 | [&s]() -> std::string { | |
733 | auto env = *(s->info.env); | |
734 | std::string uri = | |
735 | env.get("SERVER_PORT_SECURE") ? "https://" : "http://"; | |
736 | if (env.exists("SERVER_NAME")) { | |
737 | uri.append(env.get("SERVER_NAME", "<SERVER_NAME>")); | |
738 | } else { | |
739 | uri.append(env.get("HTTP_HOST", "<HTTP_HOST>")); | |
740 | } | |
741 | return uri; | |
742 | }(); | |
743 | return uri; | |
744 | } | |
745 | ||
7c673cae | 746 | extern void dump_content_length(struct req_state *s, uint64_t len); |
31f18b77 | 747 | extern int64_t parse_content_length(const char *content_length); |
7c673cae FG |
748 | extern void dump_etag(struct req_state *s, |
749 | const boost::string_ref& etag, | |
750 | bool quoted = false); | |
7c673cae FG |
751 | extern void dump_epoch_header(struct req_state *s, const char *name, real_time t); |
752 | extern void dump_time_header(struct req_state *s, const char *name, real_time t); | |
753 | extern void dump_last_modified(struct req_state *s, real_time t); | |
754 | extern void abort_early(struct req_state* s, RGWOp* op, int err, | |
755 | RGWHandler* handler); | |
756 | extern void dump_range(struct req_state* s, uint64_t ofs, uint64_t end, | |
757 | uint64_t total_size); | |
758 | extern void dump_continue(struct req_state *s); | |
759 | extern void list_all_buckets_end(struct req_state *s); | |
760 | extern void dump_time(struct req_state *s, const char *name, real_time *t); | |
761 | extern std::string dump_time_to_str(const real_time& t); | |
762 | extern void dump_bucket_from_state(struct req_state *s); | |
7c673cae FG |
763 | extern void dump_redirect(struct req_state *s, const string& redirect); |
764 | extern bool is_valid_url(const char *url); | |
765 | extern void dump_access_control(struct req_state *s, const char *origin, | |
766 | const char *meth, | |
767 | const char *hdr, const char *exp_hdr, | |
768 | uint32_t max_age); | |
769 | extern void dump_access_control(req_state *s, RGWOp *op); | |
770 | ||
771 | extern int dump_body(struct req_state* s, const char* buf, size_t len); | |
772 | extern int dump_body(struct req_state* s, /* const */ ceph::buffer::list& bl); | |
773 | extern int dump_body(struct req_state* s, const std::string& str); | |
7c673cae FG |
774 | extern int recv_body(struct req_state* s, char* buf, size_t max); |
775 | ||
776 | #endif /* CEPH_RGW_REST_H */ |