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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab ft=cpp
/*
* Ceph - scalable distributed file system
*
* Copyright (C) 2013 eNovance SAS <licensing@enovance.com>
*
* This is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software
* Foundation. See file COPYING.
*
*/
#pragma once
#include <map>
#include <string>
#include <include/types.h>
#define RGW_CORS_GET 0x1
#define RGW_CORS_PUT 0x2
#define RGW_CORS_HEAD 0x4
#define RGW_CORS_POST 0x8
#define RGW_CORS_DELETE 0x10
#define RGW_CORS_COPY 0x20
#define RGW_CORS_ALL (RGW_CORS_GET | \
RGW_CORS_PUT | \
RGW_CORS_HEAD | \
RGW_CORS_POST | \
RGW_CORS_DELETE | \
RGW_CORS_COPY)
#define CORS_MAX_AGE_INVALID ((uint32_t)-1)
class RGWCORSRule
{
protected:
uint32_t max_age;
uint8_t allowed_methods;
std::string id;
std::set<std::string> allowed_hdrs; /* If you change this, you need to discard lowercase_allowed_hdrs */
std::set<std::string> lowercase_allowed_hdrs; /* Not built until needed in RGWCORSRule::is_header_allowed */
std::set<std::string> allowed_origins;
std::list<std::string> exposable_hdrs;
public:
RGWCORSRule() : max_age(CORS_MAX_AGE_INVALID),allowed_methods(0) {}
RGWCORSRule(std::set<std::string>& o, std::set<std::string>& h,
std::list<std::string>& e, uint8_t f, uint32_t a)
:max_age(a),
allowed_methods(f),
allowed_hdrs(h),
allowed_origins(o),
exposable_hdrs(e) {}
virtual ~RGWCORSRule() {}
std::string& get_id() { return id; }
uint32_t get_max_age() { return max_age; }
uint8_t get_allowed_methods() { return allowed_methods; }
void encode(bufferlist& bl) const {
ENCODE_START(1, 1, bl);
encode(max_age, bl);
encode(allowed_methods, bl);
encode(id, bl);
encode(allowed_hdrs, bl);
encode(allowed_origins, bl);
encode(exposable_hdrs, bl);
ENCODE_FINISH(bl);
}
void decode(bufferlist::const_iterator& bl) {
DECODE_START(1, bl);
decode(max_age, bl);
decode(allowed_methods, bl);
decode(id, bl);
decode(allowed_hdrs, bl);
decode(allowed_origins, bl);
decode(exposable_hdrs, bl);
DECODE_FINISH(bl);
}
bool has_wildcard_origin();
bool is_origin_present(const char *o);
void format_exp_headers(std::string& s);
void erase_origin_if_present(std::string& origin, bool *rule_empty);
void dump_origins();
void dump(Formatter *f) const;
bool is_header_allowed(const char *hdr, size_t len);
};
WRITE_CLASS_ENCODER(RGWCORSRule)
class RGWCORSConfiguration
{
protected:
std::list<RGWCORSRule> rules;
public:
RGWCORSConfiguration() {}
~RGWCORSConfiguration() {}
void encode(bufferlist& bl) const {
ENCODE_START(1, 1, bl);
encode(rules, bl);
ENCODE_FINISH(bl);
}
void decode(bufferlist::const_iterator& bl) {
DECODE_START(1, bl);
decode(rules, bl);
DECODE_FINISH(bl);
}
void dump(Formatter *f) const;
std::list<RGWCORSRule>& get_rules() {
return rules;
}
bool is_empty() {
return rules.empty();
}
void get_origins_list(const char *origin, std::list<std::string>& origins);
RGWCORSRule * host_name_rule(const char *origin);
void erase_host_name_rule(std::string& origin);
void dump();
void stack_rule(RGWCORSRule& r) {
rules.push_front(r);
}
};
WRITE_CLASS_ENCODER(RGWCORSConfiguration)
static inline int validate_name_string(std::string_view o) {
if (o.length() == 0)
return -1;
if (o.find_first_of("*") != o.find_last_of("*"))
return -1;
return 0;
}
static inline uint8_t get_cors_method_flags(const char *req_meth) {
uint8_t flags = 0;
if (strcmp(req_meth, "GET") == 0) flags = RGW_CORS_GET;
else if (strcmp(req_meth, "POST") == 0) flags = RGW_CORS_POST;
else if (strcmp(req_meth, "PUT") == 0) flags = RGW_CORS_PUT;
else if (strcmp(req_meth, "DELETE") == 0) flags = RGW_CORS_DELETE;
else if (strcmp(req_meth, "HEAD") == 0) flags = RGW_CORS_HEAD;
return flags;
}
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