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| 1 /* | |
| 2 * Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 3 * Use of this source code is governed by a BSD-style license that can be | |
| 4 * found in the LICENSE file. | |
| 5 */ | |
| 6 | |
| 7 // Manifest processing for JSON manifests. | |
| 8 | |
| 9 #ifndef NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_JSON_MANIFEST_H_ | |
| 10 #define NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_JSON_MANIFEST_H_ | |
| 11 | |
| 12 #include <map> | |
| 13 #include <set> | |
| 14 #include <string> | |
| 15 | |
| 16 #include "native_client/src/include/nacl_macros.h" | |
| 17 #include "native_client/src/include/nacl_string.h" | |
| 18 #include "ppapi/native_client/src/trusted/plugin/manifest.h" | |
| 19 #include "third_party/jsoncpp/source/include/json/value.h" | |
| 20 | |
| 21 struct PP_PNaClOptions; | |
| 22 | |
| 23 namespace pp { | |
| 24 class URLUtil_Dev; | |
| 25 } // namespace pp | |
| 26 | |
| 27 namespace plugin { | |
| 28 | |
| 29 class ErrorInfo; | |
| 30 | |
| 31 class JsonManifest : public Manifest { | |
| 32 public: | |
| 33 JsonManifest(const pp::URLUtil_Dev* url_util, | |
| 34 const nacl::string& manifest_base_url, | |
| 35 const nacl::string& sandbox_isa, | |
| 36 bool nonsfi_enabled, | |
| 37 bool pnacl_debug) | |
| 38 : url_util_(url_util), | |
| 39 manifest_base_url_(manifest_base_url), | |
| 40 sandbox_isa_(sandbox_isa), | |
| 41 nonsfi_enabled_(nonsfi_enabled), | |
| 42 pnacl_debug_(pnacl_debug), | |
| 43 dictionary_(Json::nullValue) { } | |
| 44 virtual ~JsonManifest() { } | |
| 45 | |
| 46 // Initialize the manifest object for use by later lookups. The return | |
| 47 // value is true if the manifest parses correctly and matches the schema. | |
| 48 bool Init(const nacl::string& json, ErrorInfo* error_info); | |
| 49 | |
| 50 // Gets the full program URL for the current sandbox ISA from the | |
| 51 // manifest file. | |
| 52 virtual bool GetProgramURL(nacl::string* full_url, | |
| 53 PP_PNaClOptions* pnacl_options, | |
| 54 bool* uses_nonsfi_mode, | |
| 55 ErrorInfo* error_info) const; | |
| 56 | |
| 57 // Resolves a key from the "files" section to a fully resolved URL, | |
| 58 // i.e., relative URL values are fully expanded relative to the | |
| 59 // manifest's URL (via ResolveURL). | |
| 60 virtual bool ResolveKey(const nacl::string& key, | |
| 61 nacl::string* full_url, | |
| 62 PP_PNaClOptions* pnacl_options) const; | |
| 63 | |
| 64 private: | |
| 65 NACL_DISALLOW_COPY_AND_ASSIGN(JsonManifest); | |
| 66 | |
| 67 // Resolves a URL relative to the manifest base URL | |
| 68 bool ResolveURL(const nacl::string& relative_url, | |
| 69 nacl::string* full_url, | |
| 70 ErrorInfo* error_info) const; | |
| 71 | |
| 72 // Checks that |dictionary_| is a valid manifest, according to the schema. | |
| 73 // Returns true on success, and sets |error_info| to a detailed message | |
| 74 // if not. | |
| 75 bool MatchesSchema(ErrorInfo* error_info); | |
| 76 | |
| 77 bool GetKeyUrl(const Json::Value& dictionary, | |
| 78 const nacl::string& key, | |
| 79 nacl::string* full_url, | |
| 80 PP_PNaClOptions* pnacl_options) const; | |
| 81 | |
| 82 bool GetURLFromISADictionary(const Json::Value& dictionary, | |
| 83 const nacl::string& parent_key, | |
| 84 nacl::string* url, | |
| 85 PP_PNaClOptions* pnacl_options, | |
| 86 bool* uses_nonsfi_mode, | |
| 87 ErrorInfo* error_info) const; | |
| 88 | |
| 89 const pp::URLUtil_Dev* url_util_; | |
| 90 nacl::string manifest_base_url_; | |
| 91 nacl::string sandbox_isa_; | |
| 92 bool nonsfi_enabled_; | |
| 93 bool pnacl_debug_; | |
| 94 | |
| 95 Json::Value dictionary_; | |
| 96 }; | |
| 97 | |
| 98 } // namespace plugin | |
| 99 | |
| 100 #endif // NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_JSON_MANIFEST_H_ | |
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