ceph/src/rgw/rgw_rest.h

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