| OLD | NEW |
| 1 /* | 1 /* |
| 2 * Copyright (C) 2011 Google, Inc. All rights reserved. | 2 * Copyright (C) 2011 Google, Inc. All rights reserved. |
| 3 * | 3 * |
| 4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
| 6 * are met: | 6 * are met: |
| 7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
| 8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
| 10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
| (...skipping 17 matching lines...) Expand all Loading... |
| 28 | 28 |
| 29 #include "RuntimeEnabledFeatures.h" | 29 #include "RuntimeEnabledFeatures.h" |
| 30 #include "bindings/v8/ScriptCallStackFactory.h" | 30 #include "bindings/v8/ScriptCallStackFactory.h" |
| 31 #include "bindings/v8/ScriptController.h" | 31 #include "bindings/v8/ScriptController.h" |
| 32 #include "core/dom/DOMStringList.h" | 32 #include "core/dom/DOMStringList.h" |
| 33 #include "core/dom/Document.h" | 33 #include "core/dom/Document.h" |
| 34 #include "core/events/SecurityPolicyViolationEvent.h" | 34 #include "core/events/SecurityPolicyViolationEvent.h" |
| 35 #include "core/frame/DOMWindow.h" | 35 #include "core/frame/DOMWindow.h" |
| 36 #include "core/frame/LocalFrame.h" | 36 #include "core/frame/LocalFrame.h" |
| 37 #include "core/frame/UseCounter.h" | 37 #include "core/frame/UseCounter.h" |
| 38 #include "core/frame/csp/CSPDirectiveList.h" |
| 38 #include "core/frame/csp/CSPSource.h" | 39 #include "core/frame/csp/CSPSource.h" |
| 39 #include "core/frame/csp/CSPSourceList.h" | 40 #include "core/frame/csp/CSPSourceList.h" |
| 40 #include "core/frame/csp/MediaListDirective.h" | 41 #include "core/frame/csp/MediaListDirective.h" |
| 41 #include "core/frame/csp/SourceListDirective.h" | 42 #include "core/frame/csp/SourceListDirective.h" |
| 42 #include "core/inspector/InspectorInstrumentation.h" | 43 #include "core/inspector/InspectorInstrumentation.h" |
| 43 #include "core/inspector/ScriptCallStack.h" | 44 #include "core/inspector/ScriptCallStack.h" |
| 44 #include "core/loader/DocumentLoader.h" | 45 #include "core/loader/DocumentLoader.h" |
| 45 #include "core/loader/PingLoader.h" | 46 #include "core/loader/PingLoader.h" |
| 46 #include "platform/JSONValues.h" | 47 #include "platform/JSONValues.h" |
| 47 #include "platform/NotImplemented.h" | 48 #include "platform/NotImplemented.h" |
| (...skipping 10 matching lines...) Expand all Loading... |
| 58 #include "public/platform/WebArrayBuffer.h" | 59 #include "public/platform/WebArrayBuffer.h" |
| 59 #include "public/platform/WebCrypto.h" | 60 #include "public/platform/WebCrypto.h" |
| 60 #include "public/platform/WebCryptoAlgorithm.h" | 61 #include "public/platform/WebCryptoAlgorithm.h" |
| 61 #include "wtf/HashMap.h" | 62 #include "wtf/HashMap.h" |
| 62 #include "wtf/StringHasher.h" | 63 #include "wtf/StringHasher.h" |
| 63 #include "wtf/text/StringBuilder.h" | 64 #include "wtf/text/StringBuilder.h" |
| 64 | 65 |
| 65 namespace WebCore { | 66 namespace WebCore { |
| 66 | 67 |
| 67 // CSP 1.0 Directives | 68 // CSP 1.0 Directives |
| 68 static const char connectSrc[] = "connect-src"; | 69 const char ContentSecurityPolicy::ConnectSrc[] = "connect-src"; |
| 69 static const char defaultSrc[] = "default-src"; | 70 const char ContentSecurityPolicy::DefaultSrc[] = "default-src"; |
| 70 static const char fontSrc[] = "font-src"; | 71 const char ContentSecurityPolicy::FontSrc[] = "font-src"; |
| 71 static const char frameSrc[] = "frame-src"; | 72 const char ContentSecurityPolicy::FrameSrc[] = "frame-src"; |
| 72 static const char imgSrc[] = "img-src"; | 73 const char ContentSecurityPolicy::ImgSrc[] = "img-src"; |
| 73 static const char mediaSrc[] = "media-src"; | 74 const char ContentSecurityPolicy::MediaSrc[] = "media-src"; |
| 74 static const char objectSrc[] = "object-src"; | 75 const char ContentSecurityPolicy::ObjectSrc[] = "object-src"; |
| 75 static const char reportURI[] = "report-uri"; | 76 const char ContentSecurityPolicy::ReportURI[] = "report-uri"; |
| 76 static const char sandbox[] = "sandbox"; | 77 const char ContentSecurityPolicy::Sandbox[] = "sandbox"; |
| 77 static const char scriptSrc[] = "script-src"; | 78 const char ContentSecurityPolicy::ScriptSrc[] = "script-src"; |
| 78 static const char styleSrc[] = "style-src"; | 79 const char ContentSecurityPolicy::StyleSrc[] = "style-src"; |
| 79 | 80 |
| 80 // CSP 1.1 Directives | 81 // CSP 1.1 Directives |
| 81 static const char baseURI[] = "base-uri"; | 82 const char ContentSecurityPolicy::BaseURI[] = "base-uri"; |
| 82 static const char childSrc[] = "child-src"; | 83 const char ContentSecurityPolicy::ChildSrc[] = "child-src"; |
| 83 static const char formAction[] = "form-action"; | 84 const char ContentSecurityPolicy::FormAction[] = "form-action"; |
| 84 static const char frameAncestors[] = "frame-ancestors"; | 85 const char ContentSecurityPolicy::FrameAncestors[] = "frame-ancestors"; |
| 85 static const char pluginTypes[] = "plugin-types"; | 86 const char ContentSecurityPolicy::PluginTypes[] = "plugin-types"; |
| 86 static const char reflectedXSS[] = "reflected-xss"; | 87 const char ContentSecurityPolicy::ReflectedXSS[] = "reflected-xss"; |
| 87 static const char referrer[] = "referrer"; | 88 const char ContentSecurityPolicy::Referrer[] = "referrer"; |
| 88 | 89 |
| 89 bool ContentSecurityPolicy::isDirectiveName(const String& name) | 90 bool ContentSecurityPolicy::isDirectiveName(const String& name) |
| 90 { | 91 { |
| 91 return (equalIgnoringCase(name, connectSrc) | 92 return (equalIgnoringCase(name, ConnectSrc) |
| 92 || equalIgnoringCase(name, defaultSrc) | 93 || equalIgnoringCase(name, DefaultSrc) |
| 93 || equalIgnoringCase(name, fontSrc) | 94 || equalIgnoringCase(name, FontSrc) |
| 94 || equalIgnoringCase(name, frameSrc) | 95 || equalIgnoringCase(name, FrameSrc) |
| 95 || equalIgnoringCase(name, imgSrc) | 96 || equalIgnoringCase(name, ImgSrc) |
| 96 || equalIgnoringCase(name, mediaSrc) | 97 || equalIgnoringCase(name, MediaSrc) |
| 97 || equalIgnoringCase(name, objectSrc) | 98 || equalIgnoringCase(name, ObjectSrc) |
| 98 || equalIgnoringCase(name, reportURI) | 99 || equalIgnoringCase(name, ReportURI) |
| 99 || equalIgnoringCase(name, sandbox) | 100 || equalIgnoringCase(name, Sandbox) |
| 100 || equalIgnoringCase(name, scriptSrc) | 101 || equalIgnoringCase(name, ScriptSrc) |
| 101 || equalIgnoringCase(name, styleSrc) | 102 || equalIgnoringCase(name, StyleSrc) |
| 102 || equalIgnoringCase(name, baseURI) | 103 || equalIgnoringCase(name, BaseURI) |
| 103 || equalIgnoringCase(name, childSrc) | 104 || equalIgnoringCase(name, ChildSrc) |
| 104 || equalIgnoringCase(name, formAction) | 105 || equalIgnoringCase(name, FormAction) |
| 105 || equalIgnoringCase(name, frameAncestors) | 106 || equalIgnoringCase(name, FrameAncestors) |
| 106 || equalIgnoringCase(name, pluginTypes) | 107 || equalIgnoringCase(name, PluginTypes) |
| 107 || equalIgnoringCase(name, reflectedXSS) | 108 || equalIgnoringCase(name, ReflectedXSS) |
| 108 || equalIgnoringCase(name, referrer) | 109 || equalIgnoringCase(name, Referrer) |
| 109 ); | 110 ); |
| 110 } | 111 } |
| 111 | 112 |
| 112 static UseCounter::Feature getUseCounterType(ContentSecurityPolicyHeaderType typ
e) | 113 static UseCounter::Feature getUseCounterType(ContentSecurityPolicyHeaderType typ
e) |
| 113 { | 114 { |
| 114 switch (type) { | 115 switch (type) { |
| 115 case ContentSecurityPolicyHeaderTypeEnforce: | 116 case ContentSecurityPolicyHeaderTypeEnforce: |
| 116 return UseCounter::ContentSecurityPolicy; | 117 return UseCounter::ContentSecurityPolicy; |
| 117 case ContentSecurityPolicyHeaderTypeReport: | 118 case ContentSecurityPolicyHeaderTypeReport: |
| 118 return UseCounter::ContentSecurityPolicyReportOnly; | 119 return UseCounter::ContentSecurityPolicyReportOnly; |
| 119 } | 120 } |
| 120 ASSERT_NOT_REACHED(); | 121 ASSERT_NOT_REACHED(); |
| 121 return UseCounter::NumberOfFeatures; | 122 return UseCounter::NumberOfFeatures; |
| 122 } | 123 } |
| 123 | 124 |
| 124 static ReferrerPolicy mergeReferrerPolicies(ReferrerPolicy a, ReferrerPolicy b) | 125 static ReferrerPolicy mergeReferrerPolicies(ReferrerPolicy a, ReferrerPolicy b) |
| 125 { | 126 { |
| 126 if (a != b) | 127 if (a != b) |
| 127 return ReferrerPolicyNever; | 128 return ReferrerPolicyNever; |
| 128 return a; | 129 return a; |
| 129 } | 130 } |
| 130 | 131 |
| 131 class CSPDirectiveList { | |
| 132 WTF_MAKE_FAST_ALLOCATED; | |
| 133 public: | |
| 134 static PassOwnPtr<CSPDirectiveList> create(ContentSecurityPolicy*, const UCh
ar* begin, const UChar* end, ContentSecurityPolicyHeaderType, ContentSecurityPol
icyHeaderSource); | |
| 135 | |
| 136 void parse(const UChar* begin, const UChar* end); | |
| 137 | |
| 138 const String& header() const { return m_header; } | |
| 139 ContentSecurityPolicyHeaderType headerType() const { return m_headerType; } | |
| 140 ContentSecurityPolicyHeaderSource headerSource() const { return m_headerSour
ce; } | |
| 141 | |
| 142 bool allowJavaScriptURLs(const String& contextURL, const WTF::OrdinalNumber&
contextLine, ContentSecurityPolicy::ReportingStatus) const; | |
| 143 bool allowInlineEventHandlers(const String& contextURL, const WTF::OrdinalNu
mber& contextLine, ContentSecurityPolicy::ReportingStatus) const; | |
| 144 bool allowInlineScript(const String& contextURL, const WTF::OrdinalNumber& c
ontextLine, ContentSecurityPolicy::ReportingStatus) const; | |
| 145 bool allowInlineStyle(const String& contextURL, const WTF::OrdinalNumber& co
ntextLine, ContentSecurityPolicy::ReportingStatus) const; | |
| 146 bool allowEval(ScriptState*, ContentSecurityPolicy::ReportingStatus) const; | |
| 147 bool allowPluginType(const String& type, const String& typeAttribute, const
KURL&, ContentSecurityPolicy::ReportingStatus) const; | |
| 148 | |
| 149 bool allowScriptFromSource(const KURL&, ContentSecurityPolicy::ReportingStat
us) const; | |
| 150 bool allowObjectFromSource(const KURL&, ContentSecurityPolicy::ReportingStat
us) const; | |
| 151 bool allowChildFrameFromSource(const KURL&, ContentSecurityPolicy::Reporting
Status) const; | |
| 152 bool allowImageFromSource(const KURL&, ContentSecurityPolicy::ReportingStatu
s) const; | |
| 153 bool allowStyleFromSource(const KURL&, ContentSecurityPolicy::ReportingStatu
s) const; | |
| 154 bool allowFontFromSource(const KURL&, ContentSecurityPolicy::ReportingStatus
) const; | |
| 155 bool allowMediaFromSource(const KURL&, ContentSecurityPolicy::ReportingStatu
s) const; | |
| 156 bool allowConnectToSource(const KURL&, ContentSecurityPolicy::ReportingStatu
s) const; | |
| 157 bool allowFormAction(const KURL&, ContentSecurityPolicy::ReportingStatus) co
nst; | |
| 158 bool allowBaseURI(const KURL&, ContentSecurityPolicy::ReportingStatus) const
; | |
| 159 bool allowAncestors(LocalFrame*, ContentSecurityPolicy::ReportingStatus) con
st; | |
| 160 bool allowChildContextFromSource(const KURL&, ContentSecurityPolicy::Reporti
ngStatus) const; | |
| 161 bool allowScriptNonce(const String&) const; | |
| 162 bool allowStyleNonce(const String&) const; | |
| 163 bool allowScriptHash(const CSPHashValue&) const; | |
| 164 bool allowStyleHash(const CSPHashValue&) const; | |
| 165 | |
| 166 const String& evalDisabledErrorMessage() const { return m_evalDisabledErrorM
essage; } | |
| 167 ReflectedXSSDisposition reflectedXSSDisposition() const { return m_reflected
XSSDisposition; } | |
| 168 ReferrerPolicy referrerPolicy() const { return m_referrerPolicy; } | |
| 169 bool didSetReferrerPolicy() const { return m_didSetReferrerPolicy; } | |
| 170 bool isReportOnly() const { return m_reportOnly; } | |
| 171 const Vector<KURL>& reportURIs() const { return m_reportURIs; } | |
| 172 | |
| 173 private: | |
| 174 CSPDirectiveList(ContentSecurityPolicy*, ContentSecurityPolicyHeaderType, Co
ntentSecurityPolicyHeaderSource); | |
| 175 | |
| 176 bool parseDirective(const UChar* begin, const UChar* end, String& name, Stri
ng& value); | |
| 177 void parseReportURI(const String& name, const String& value); | |
| 178 void parsePluginTypes(const String& name, const String& value); | |
| 179 void parseReflectedXSS(const String& name, const String& value); | |
| 180 void parseReferrer(const String& name, const String& value); | |
| 181 void addDirective(const String& name, const String& value); | |
| 182 void applySandboxPolicy(const String& name, const String& sandboxPolicy); | |
| 183 | |
| 184 template <class CSPDirectiveType> | |
| 185 void setCSPDirective(const String& name, const String& value, OwnPtr<CSPDire
ctiveType>&); | |
| 186 | |
| 187 SourceListDirective* operativeDirective(SourceListDirective*) const; | |
| 188 SourceListDirective* operativeDirective(SourceListDirective*, SourceListDire
ctive* override) const; | |
| 189 void reportViolation(const String& directiveText, const String& effectiveDir
ective, const String& consoleMessage, const KURL& blockedURL) const; | |
| 190 void reportViolationWithLocation(const String& directiveText, const String&
effectiveDirective, const String& consoleMessage, const KURL& blockedURL, const
String& contextURL, const WTF::OrdinalNumber& contextLine) const; | |
| 191 void reportViolationWithState(const String& directiveText, const String& eff
ectiveDirective, const String& consoleMessage, const KURL& blockedURL, ScriptSta
te*) const; | |
| 192 | |
| 193 bool checkEval(SourceListDirective*) const; | |
| 194 bool checkInline(SourceListDirective*) const; | |
| 195 bool checkNonce(SourceListDirective*, const String&) const; | |
| 196 bool checkHash(SourceListDirective*, const CSPHashValue&) const; | |
| 197 bool checkSource(SourceListDirective*, const KURL&) const; | |
| 198 bool checkMediaType(MediaListDirective*, const String& type, const String& t
ypeAttribute) const; | |
| 199 bool checkAncestors(SourceListDirective*, LocalFrame*) const; | |
| 200 | |
| 201 void setEvalDisabledErrorMessage(const String& errorMessage) { m_evalDisable
dErrorMessage = errorMessage; } | |
| 202 | |
| 203 bool checkEvalAndReportViolation(SourceListDirective*, const String& console
Message, ScriptState*) const; | |
| 204 bool checkInlineAndReportViolation(SourceListDirective*, const String& conso
leMessage, const String& contextURL, const WTF::OrdinalNumber& contextLine, bool
isScript) const; | |
| 205 | |
| 206 bool checkSourceAndReportViolation(SourceListDirective*, const KURL&, const
String& effectiveDirective) const; | |
| 207 bool checkMediaTypeAndReportViolation(MediaListDirective*, const String& typ
e, const String& typeAttribute, const String& consoleMessage) const; | |
| 208 bool checkAncestorsAndReportViolation(SourceListDirective*, LocalFrame*) con
st; | |
| 209 | |
| 210 bool denyIfEnforcingPolicy() const { return m_reportOnly; } | |
| 211 | |
| 212 ContentSecurityPolicy* m_policy; | |
| 213 | |
| 214 String m_header; | |
| 215 ContentSecurityPolicyHeaderType m_headerType; | |
| 216 ContentSecurityPolicyHeaderSource m_headerSource; | |
| 217 | |
| 218 bool m_reportOnly; | |
| 219 bool m_haveSandboxPolicy; | |
| 220 ReflectedXSSDisposition m_reflectedXSSDisposition; | |
| 221 | |
| 222 bool m_didSetReferrerPolicy; | |
| 223 ReferrerPolicy m_referrerPolicy; | |
| 224 | |
| 225 OwnPtr<MediaListDirective> m_pluginTypes; | |
| 226 OwnPtr<SourceListDirective> m_baseURI; | |
| 227 OwnPtr<SourceListDirective> m_childSrc; | |
| 228 OwnPtr<SourceListDirective> m_connectSrc; | |
| 229 OwnPtr<SourceListDirective> m_defaultSrc; | |
| 230 OwnPtr<SourceListDirective> m_fontSrc; | |
| 231 OwnPtr<SourceListDirective> m_formAction; | |
| 232 OwnPtr<SourceListDirective> m_frameAncestors; | |
| 233 OwnPtr<SourceListDirective> m_frameSrc; | |
| 234 OwnPtr<SourceListDirective> m_imgSrc; | |
| 235 OwnPtr<SourceListDirective> m_mediaSrc; | |
| 236 OwnPtr<SourceListDirective> m_objectSrc; | |
| 237 OwnPtr<SourceListDirective> m_scriptSrc; | |
| 238 OwnPtr<SourceListDirective> m_styleSrc; | |
| 239 | |
| 240 Vector<KURL> m_reportURIs; | |
| 241 | |
| 242 String m_evalDisabledErrorMessage; | |
| 243 }; | |
| 244 | |
| 245 CSPDirectiveList::CSPDirectiveList(ContentSecurityPolicy* policy, ContentSecurit
yPolicyHeaderType type, ContentSecurityPolicyHeaderSource source) | |
| 246 : m_policy(policy) | |
| 247 , m_headerType(type) | |
| 248 , m_headerSource(source) | |
| 249 , m_reportOnly(false) | |
| 250 , m_haveSandboxPolicy(false) | |
| 251 , m_reflectedXSSDisposition(ReflectedXSSUnset) | |
| 252 , m_didSetReferrerPolicy(false) | |
| 253 , m_referrerPolicy(ReferrerPolicyDefault) | |
| 254 { | |
| 255 m_reportOnly = type == ContentSecurityPolicyHeaderTypeReport; | |
| 256 } | |
| 257 | |
| 258 PassOwnPtr<CSPDirectiveList> CSPDirectiveList::create(ContentSecurityPolicy* pol
icy, const UChar* begin, const UChar* end, ContentSecurityPolicyHeaderType type,
ContentSecurityPolicyHeaderSource source) | |
| 259 { | |
| 260 OwnPtr<CSPDirectiveList> directives = adoptPtr(new CSPDirectiveList(policy,
type, source)); | |
| 261 directives->parse(begin, end); | |
| 262 | |
| 263 if (!directives->checkEval(directives->operativeDirective(directives->m_scri
ptSrc.get()))) { | |
| 264 String message = "Refused to evaluate a string as JavaScript because 'un
safe-eval' is not an allowed source of script in the following Content Security
Policy directive: \"" + directives->operativeDirective(directives->m_scriptSrc.g
et())->text() + "\".\n"; | |
| 265 directives->setEvalDisabledErrorMessage(message); | |
| 266 } | |
| 267 | |
| 268 if (directives->isReportOnly() && directives->reportURIs().isEmpty()) | |
| 269 policy->reportMissingReportURI(String(begin, end - begin)); | |
| 270 | |
| 271 return directives.release(); | |
| 272 } | |
| 273 | |
| 274 void CSPDirectiveList::reportViolation(const String& directiveText, const String
& effectiveDirective, const String& consoleMessage, const KURL& blockedURL) cons
t | |
| 275 { | |
| 276 String message = m_reportOnly ? "[Report Only] " + consoleMessage : consoleM
essage; | |
| 277 m_policy->client()->addConsoleMessage(SecurityMessageSource, ErrorMessageLev
el, message); | |
| 278 m_policy->reportViolation(directiveText, effectiveDirective, message, blocke
dURL, m_reportURIs, m_header); | |
| 279 } | |
| 280 | |
| 281 void CSPDirectiveList::reportViolationWithLocation(const String& directiveText,
const String& effectiveDirective, const String& consoleMessage, const KURL& bloc
kedURL, const String& contextURL, const WTF::OrdinalNumber& contextLine) const | |
| 282 { | |
| 283 String message = m_reportOnly ? "[Report Only] " + consoleMessage : consoleM
essage; | |
| 284 m_policy->client()->addConsoleMessage(SecurityMessageSource, ErrorMessageLev
el, message, contextURL, contextLine.oneBasedInt()); | |
| 285 m_policy->reportViolation(directiveText, effectiveDirective, message, blocke
dURL, m_reportURIs, m_header); | |
| 286 } | |
| 287 | |
| 288 void CSPDirectiveList::reportViolationWithState(const String& directiveText, con
st String& effectiveDirective, const String& consoleMessage, const KURL& blocked
URL, ScriptState* state) const | |
| 289 { | |
| 290 String message = m_reportOnly ? "[Report Only] " + consoleMessage : consoleM
essage; | |
| 291 m_policy->client()->addConsoleMessage(SecurityMessageSource, ErrorMessageLev
el, message, state); | |
| 292 m_policy->reportViolation(directiveText, effectiveDirective, message, blocke
dURL, m_reportURIs, m_header); | |
| 293 } | |
| 294 | |
| 295 bool CSPDirectiveList::checkEval(SourceListDirective* directive) const | |
| 296 { | |
| 297 return !directive || directive->allowEval(); | |
| 298 } | |
| 299 | |
| 300 bool CSPDirectiveList::checkInline(SourceListDirective* directive) const | |
| 301 { | |
| 302 return !directive || (directive->allowInline() && !directive->isHashOrNonceP
resent()); | |
| 303 } | |
| 304 | |
| 305 bool CSPDirectiveList::checkNonce(SourceListDirective* directive, const String&
nonce) const | |
| 306 { | |
| 307 return !directive || directive->allowNonce(nonce); | |
| 308 } | |
| 309 | |
| 310 bool CSPDirectiveList::checkHash(SourceListDirective* directive, const CSPHashVa
lue& hashValue) const | |
| 311 { | |
| 312 return !directive || directive->allowHash(hashValue); | |
| 313 } | |
| 314 | |
| 315 bool CSPDirectiveList::checkSource(SourceListDirective* directive, const KURL& u
rl) const | |
| 316 { | |
| 317 return !directive || directive->allows(url); | |
| 318 } | |
| 319 | |
| 320 bool CSPDirectiveList::checkAncestors(SourceListDirective* directive, LocalFrame
* frame) const | |
| 321 { | |
| 322 if (!frame || !directive) | |
| 323 return true; | |
| 324 | |
| 325 for (LocalFrame* current = frame->tree().parent(); current; current = curren
t->tree().parent()) { | |
| 326 if (!directive->allows(current->document()->url())) | |
| 327 return false; | |
| 328 } | |
| 329 return true; | |
| 330 } | |
| 331 | |
| 332 bool CSPDirectiveList::checkMediaType(MediaListDirective* directive, const Strin
g& type, const String& typeAttribute) const | |
| 333 { | |
| 334 if (!directive) | |
| 335 return true; | |
| 336 if (typeAttribute.isEmpty() || typeAttribute.stripWhiteSpace() != type) | |
| 337 return false; | |
| 338 return directive->allows(type); | |
| 339 } | |
| 340 | |
| 341 SourceListDirective* CSPDirectiveList::operativeDirective(SourceListDirective* d
irective) const | |
| 342 { | |
| 343 return directive ? directive : m_defaultSrc.get(); | |
| 344 } | |
| 345 | |
| 346 SourceListDirective* CSPDirectiveList::operativeDirective(SourceListDirective* d
irective, SourceListDirective* override) const | |
| 347 { | |
| 348 return directive ? directive : override; | |
| 349 } | |
| 350 | |
| 351 bool CSPDirectiveList::checkEvalAndReportViolation(SourceListDirective* directiv
e, const String& consoleMessage, ScriptState* state) const | |
| 352 { | |
| 353 if (checkEval(directive)) | |
| 354 return true; | |
| 355 | |
| 356 String suffix = String(); | |
| 357 if (directive == m_defaultSrc) | |
| 358 suffix = " Note that 'script-src' was not explicitly set, so 'default-sr
c' is used as a fallback."; | |
| 359 | |
| 360 reportViolationWithState(directive->text(), scriptSrc, consoleMessage + "\""
+ directive->text() + "\"." + suffix + "\n", KURL(), state); | |
| 361 if (!m_reportOnly) { | |
| 362 m_policy->reportBlockedScriptExecutionToInspector(directive->text()); | |
| 363 return false; | |
| 364 } | |
| 365 return true; | |
| 366 } | |
| 367 | |
| 368 bool CSPDirectiveList::checkMediaTypeAndReportViolation(MediaListDirective* dire
ctive, const String& type, const String& typeAttribute, const String& consoleMes
sage) const | |
| 369 { | |
| 370 if (checkMediaType(directive, type, typeAttribute)) | |
| 371 return true; | |
| 372 | |
| 373 String message = consoleMessage + "\'" + directive->text() + "\'."; | |
| 374 if (typeAttribute.isEmpty()) | |
| 375 message = message + " When enforcing the 'plugin-types' directive, the p
lugin's media type must be explicitly declared with a 'type' attribute on the co
ntaining element (e.g. '<object type=\"[TYPE GOES HERE]\" ...>')."; | |
| 376 | |
| 377 reportViolation(directive->text(), pluginTypes, message + "\n", KURL()); | |
| 378 return denyIfEnforcingPolicy(); | |
| 379 } | |
| 380 | |
| 381 bool CSPDirectiveList::checkInlineAndReportViolation(SourceListDirective* direct
ive, const String& consoleMessage, const String& contextURL, const WTF::OrdinalN
umber& contextLine, bool isScript) const | |
| 382 { | |
| 383 if (checkInline(directive)) | |
| 384 return true; | |
| 385 | |
| 386 String suffix = String(); | |
| 387 if (directive->allowInline() && directive->isHashOrNoncePresent()) { | |
| 388 // If inline is allowed, but a hash or nonce is present, we ignore 'unsa
fe-inline'. Throw a reasonable error. | |
| 389 suffix = " Note that 'unsafe-inline' is ignored if either a hash or nonc
e value is present in the source list."; | |
| 390 } else { | |
| 391 suffix = " Either the 'unsafe-inline' keyword, a hash ('sha256-...'), or
a nonce ('nonce-...') is required to enable inline execution."; | |
| 392 if (directive == m_defaultSrc) | |
| 393 suffix = suffix + " Note also that '" + String(isScript ? "script" :
"style") + "-src' was not explicitly set, so 'default-src' is used as a fallbac
k."; | |
| 394 } | |
| 395 | |
| 396 reportViolationWithLocation(directive->text(), isScript ? scriptSrc : styleS
rc, consoleMessage + "\"" + directive->text() + "\"." + suffix + "\n", KURL(), c
ontextURL, contextLine); | |
| 397 | |
| 398 if (!m_reportOnly) { | |
| 399 if (isScript) | |
| 400 m_policy->reportBlockedScriptExecutionToInspector(directive->text())
; | |
| 401 return false; | |
| 402 } | |
| 403 return true; | |
| 404 } | |
| 405 | |
| 406 bool CSPDirectiveList::checkSourceAndReportViolation(SourceListDirective* direct
ive, const KURL& url, const String& effectiveDirective) const | |
| 407 { | |
| 408 if (checkSource(directive, url)) | |
| 409 return true; | |
| 410 | |
| 411 String prefix; | |
| 412 if (baseURI == effectiveDirective) | |
| 413 prefix = "Refused to set the document's base URI to '"; | |
| 414 else if (childSrc == effectiveDirective) | |
| 415 prefix = "Refused to create a child context containing '"; | |
| 416 else if (connectSrc == effectiveDirective) | |
| 417 prefix = "Refused to connect to '"; | |
| 418 else if (fontSrc == effectiveDirective) | |
| 419 prefix = "Refused to load the font '"; | |
| 420 else if (formAction == effectiveDirective) | |
| 421 prefix = "Refused to send form data to '"; | |
| 422 else if (frameSrc == effectiveDirective) | |
| 423 prefix = "Refused to frame '"; | |
| 424 else if (imgSrc == effectiveDirective) | |
| 425 prefix = "Refused to load the image '"; | |
| 426 else if (mediaSrc == effectiveDirective) | |
| 427 prefix = "Refused to load media from '"; | |
| 428 else if (objectSrc == effectiveDirective) | |
| 429 prefix = "Refused to load plugin data from '"; | |
| 430 else if (scriptSrc == effectiveDirective) | |
| 431 prefix = "Refused to load the script '"; | |
| 432 else if (styleSrc == effectiveDirective) | |
| 433 prefix = "Refused to load the stylesheet '"; | |
| 434 | |
| 435 String suffix = String(); | |
| 436 if (directive == m_defaultSrc) | |
| 437 suffix = " Note that '" + effectiveDirective + "' was not explicitly set
, so 'default-src' is used as a fallback."; | |
| 438 | |
| 439 reportViolation(directive->text(), effectiveDirective, prefix + url.elidedSt
ring() + "' because it violates the following Content Security Policy directive:
\"" + directive->text() + "\"." + suffix + "\n", url); | |
| 440 return denyIfEnforcingPolicy(); | |
| 441 } | |
| 442 | |
| 443 bool CSPDirectiveList::checkAncestorsAndReportViolation(SourceListDirective* dir
ective, LocalFrame* frame) const | |
| 444 { | |
| 445 if (checkAncestors(directive, frame)) | |
| 446 return true; | |
| 447 | |
| 448 reportViolation(directive->text(), "frame-ancestors", "Refused to display '"
+ frame->document()->url().elidedString() + " in a frame because an ancestor vi
olates the following Content Security Policy directive: \"" + directive->text()
+ "\".", frame->document()->url()); | |
| 449 return denyIfEnforcingPolicy(); | |
| 450 } | |
| 451 | |
| 452 bool CSPDirectiveList::allowJavaScriptURLs(const String& contextURL, const WTF::
OrdinalNumber& contextLine, ContentSecurityPolicy::ReportingStatus reportingStat
us) const | |
| 453 { | |
| 454 DEFINE_STATIC_LOCAL(String, consoleMessage, ("Refused to execute JavaScript
URL because it violates the following Content Security Policy directive: ")); | |
| 455 if (reportingStatus == ContentSecurityPolicy::SendReport) | |
| 456 return checkInlineAndReportViolation(operativeDirective(m_scriptSrc.get(
)), consoleMessage, contextURL, contextLine, true); | |
| 457 | |
| 458 return checkInline(operativeDirective(m_scriptSrc.get())); | |
| 459 } | |
| 460 | |
| 461 bool CSPDirectiveList::allowInlineEventHandlers(const String& contextURL, const
WTF::OrdinalNumber& contextLine, ContentSecurityPolicy::ReportingStatus reportin
gStatus) const | |
| 462 { | |
| 463 DEFINE_STATIC_LOCAL(String, consoleMessage, ("Refused to execute inline even
t handler because it violates the following Content Security Policy directive: "
)); | |
| 464 if (reportingStatus == ContentSecurityPolicy::SendReport) | |
| 465 return checkInlineAndReportViolation(operativeDirective(m_scriptSrc.get(
)), consoleMessage, contextURL, contextLine, true); | |
| 466 return checkInline(operativeDirective(m_scriptSrc.get())); | |
| 467 } | |
| 468 | |
| 469 bool CSPDirectiveList::allowInlineScript(const String& contextURL, const WTF::Or
dinalNumber& contextLine, ContentSecurityPolicy::ReportingStatus reportingStatus
) const | |
| 470 { | |
| 471 DEFINE_STATIC_LOCAL(String, consoleMessage, ("Refused to execute inline scri
pt because it violates the following Content Security Policy directive: ")); | |
| 472 return reportingStatus == ContentSecurityPolicy::SendReport ? | |
| 473 checkInlineAndReportViolation(operativeDirective(m_scriptSrc.get()), con
soleMessage, contextURL, contextLine, true) : | |
| 474 checkInline(operativeDirective(m_scriptSrc.get())); | |
| 475 } | |
| 476 | |
| 477 bool CSPDirectiveList::allowInlineStyle(const String& contextURL, const WTF::Ord
inalNumber& contextLine, ContentSecurityPolicy::ReportingStatus reportingStatus)
const | |
| 478 { | |
| 479 DEFINE_STATIC_LOCAL(String, consoleMessage, ("Refused to apply inline style
because it violates the following Content Security Policy directive: ")); | |
| 480 return reportingStatus == ContentSecurityPolicy::SendReport ? | |
| 481 checkInlineAndReportViolation(operativeDirective(m_styleSrc.get()), cons
oleMessage, contextURL, contextLine, false) : | |
| 482 checkInline(operativeDirective(m_styleSrc.get())); | |
| 483 } | |
| 484 | |
| 485 bool CSPDirectiveList::allowEval(ScriptState* state, ContentSecurityPolicy::Repo
rtingStatus reportingStatus) const | |
| 486 { | |
| 487 DEFINE_STATIC_LOCAL(String, consoleMessage, ("Refused to evaluate a string a
s JavaScript because 'unsafe-eval' is not an allowed source of script in the fol
lowing Content Security Policy directive: ")); | |
| 488 | |
| 489 return reportingStatus == ContentSecurityPolicy::SendReport ? | |
| 490 checkEvalAndReportViolation(operativeDirective(m_scriptSrc.get()), conso
leMessage, state) : | |
| 491 checkEval(operativeDirective(m_scriptSrc.get())); | |
| 492 } | |
| 493 | |
| 494 bool CSPDirectiveList::allowPluginType(const String& type, const String& typeAtt
ribute, const KURL& url, ContentSecurityPolicy::ReportingStatus reportingStatus)
const | |
| 495 { | |
| 496 return reportingStatus == ContentSecurityPolicy::SendReport ? | |
| 497 checkMediaTypeAndReportViolation(m_pluginTypes.get(), type, typeAttribut
e, "Refused to load '" + url.elidedString() + "' (MIME type '" + typeAttribute +
"') because it violates the following Content Security Policy Directive: ") : | |
| 498 checkMediaType(m_pluginTypes.get(), type, typeAttribute); | |
| 499 } | |
| 500 | |
| 501 bool CSPDirectiveList::allowScriptFromSource(const KURL& url, ContentSecurityPol
icy::ReportingStatus reportingStatus) const | |
| 502 { | |
| 503 return reportingStatus == ContentSecurityPolicy::SendReport ? | |
| 504 checkSourceAndReportViolation(operativeDirective(m_scriptSrc.get()), url
, scriptSrc) : | |
| 505 checkSource(operativeDirective(m_scriptSrc.get()), url); | |
| 506 } | |
| 507 | |
| 508 bool CSPDirectiveList::allowObjectFromSource(const KURL& url, ContentSecurityPol
icy::ReportingStatus reportingStatus) const | |
| 509 { | |
| 510 if (url.isBlankURL()) | |
| 511 return true; | |
| 512 return reportingStatus == ContentSecurityPolicy::SendReport ? | |
| 513 checkSourceAndReportViolation(operativeDirective(m_objectSrc.get()), url
, objectSrc) : | |
| 514 checkSource(operativeDirective(m_objectSrc.get()), url); | |
| 515 } | |
| 516 | |
| 517 bool CSPDirectiveList::allowChildFrameFromSource(const KURL& url, ContentSecurit
yPolicy::ReportingStatus reportingStatus) const | |
| 518 { | |
| 519 if (url.isBlankURL()) | |
| 520 return true; | |
| 521 | |
| 522 // 'frame-src' is the only directive which overrides something other than th
e default sources. | |
| 523 // It overrides 'child-src', which overrides the default sources. So, we do
this nested set | |
| 524 // of calls to 'operativeDirective()' to grab 'frame-src' if it exists, 'chi
ld-src' if it | |
| 525 // doesn't, and 'defaut-src' if neither are available. | |
| 526 // | |
| 527 // All of this only applies, of course, if we're in CSP 1.1. In CSP 1.0, 'fr
ame-src' | |
| 528 // overrides 'default-src' directly. | |
| 529 SourceListDirective* whichDirective = m_policy->experimentalFeaturesEnabled(
) ? | |
| 530 operativeDirective(m_frameSrc.get(), operativeDirective(m_childSrc.get()
)) : | |
| 531 operativeDirective(m_frameSrc.get()); | |
| 532 | |
| 533 return reportingStatus == ContentSecurityPolicy::SendReport ? | |
| 534 checkSourceAndReportViolation(whichDirective, url, frameSrc) : | |
| 535 checkSource(whichDirective, url); | |
| 536 } | |
| 537 | |
| 538 bool CSPDirectiveList::allowImageFromSource(const KURL& url, ContentSecurityPoli
cy::ReportingStatus reportingStatus) const | |
| 539 { | |
| 540 return reportingStatus == ContentSecurityPolicy::SendReport ? | |
| 541 checkSourceAndReportViolation(operativeDirective(m_imgSrc.get()), url, i
mgSrc) : | |
| 542 checkSource(operativeDirective(m_imgSrc.get()), url); | |
| 543 } | |
| 544 | |
| 545 bool CSPDirectiveList::allowStyleFromSource(const KURL& url, ContentSecurityPoli
cy::ReportingStatus reportingStatus) const | |
| 546 { | |
| 547 return reportingStatus == ContentSecurityPolicy::SendReport ? | |
| 548 checkSourceAndReportViolation(operativeDirective(m_styleSrc.get()), url,
styleSrc) : | |
| 549 checkSource(operativeDirective(m_styleSrc.get()), url); | |
| 550 } | |
| 551 | |
| 552 bool CSPDirectiveList::allowFontFromSource(const KURL& url, ContentSecurityPolic
y::ReportingStatus reportingStatus) const | |
| 553 { | |
| 554 return reportingStatus == ContentSecurityPolicy::SendReport ? | |
| 555 checkSourceAndReportViolation(operativeDirective(m_fontSrc.get()), url,
fontSrc) : | |
| 556 checkSource(operativeDirective(m_fontSrc.get()), url); | |
| 557 } | |
| 558 | |
| 559 bool CSPDirectiveList::allowMediaFromSource(const KURL& url, ContentSecurityPoli
cy::ReportingStatus reportingStatus) const | |
| 560 { | |
| 561 return reportingStatus == ContentSecurityPolicy::SendReport ? | |
| 562 checkSourceAndReportViolation(operativeDirective(m_mediaSrc.get()), url,
mediaSrc) : | |
| 563 checkSource(operativeDirective(m_mediaSrc.get()), url); | |
| 564 } | |
| 565 | |
| 566 bool CSPDirectiveList::allowConnectToSource(const KURL& url, ContentSecurityPoli
cy::ReportingStatus reportingStatus) const | |
| 567 { | |
| 568 return reportingStatus == ContentSecurityPolicy::SendReport ? | |
| 569 checkSourceAndReportViolation(operativeDirective(m_connectSrc.get()), ur
l, connectSrc) : | |
| 570 checkSource(operativeDirective(m_connectSrc.get()), url); | |
| 571 } | |
| 572 | |
| 573 bool CSPDirectiveList::allowFormAction(const KURL& url, ContentSecurityPolicy::R
eportingStatus reportingStatus) const | |
| 574 { | |
| 575 return reportingStatus == ContentSecurityPolicy::SendReport ? | |
| 576 checkSourceAndReportViolation(m_formAction.get(), url, formAction) : | |
| 577 checkSource(m_formAction.get(), url); | |
| 578 } | |
| 579 | |
| 580 bool CSPDirectiveList::allowBaseURI(const KURL& url, ContentSecurityPolicy::Repo
rtingStatus reportingStatus) const | |
| 581 { | |
| 582 return reportingStatus == ContentSecurityPolicy::SendReport ? | |
| 583 checkSourceAndReportViolation(m_baseURI.get(), url, baseURI) : | |
| 584 checkSource(m_baseURI.get(), url); | |
| 585 } | |
| 586 | |
| 587 bool CSPDirectiveList::allowAncestors(LocalFrame* frame, ContentSecurityPolicy::
ReportingStatus reportingStatus) const | |
| 588 { | |
| 589 return reportingStatus == ContentSecurityPolicy::SendReport ? | |
| 590 checkAncestorsAndReportViolation(m_frameAncestors.get(), frame) : | |
| 591 checkAncestors(m_frameAncestors.get(), frame); | |
| 592 } | |
| 593 | |
| 594 bool CSPDirectiveList::allowChildContextFromSource(const KURL& url, ContentSecur
ityPolicy::ReportingStatus reportingStatus) const | |
| 595 { | |
| 596 return reportingStatus == ContentSecurityPolicy::SendReport ? | |
| 597 checkSourceAndReportViolation(operativeDirective(m_childSrc.get()), url,
childSrc) : | |
| 598 checkSource(operativeDirective(m_childSrc.get()), url); | |
| 599 } | |
| 600 | |
| 601 bool CSPDirectiveList::allowScriptNonce(const String& nonce) const | |
| 602 { | |
| 603 return checkNonce(operativeDirective(m_scriptSrc.get()), nonce); | |
| 604 } | |
| 605 | |
| 606 bool CSPDirectiveList::allowStyleNonce(const String& nonce) const | |
| 607 { | |
| 608 return checkNonce(operativeDirective(m_styleSrc.get()), nonce); | |
| 609 } | |
| 610 | |
| 611 bool CSPDirectiveList::allowScriptHash(const CSPHashValue& hashValue) const | |
| 612 { | |
| 613 return checkHash(operativeDirective(m_scriptSrc.get()), hashValue); | |
| 614 } | |
| 615 | |
| 616 bool CSPDirectiveList::allowStyleHash(const CSPHashValue& hashValue) const | |
| 617 { | |
| 618 return checkHash(operativeDirective(m_styleSrc.get()), hashValue); | |
| 619 } | |
| 620 | |
| 621 // policy = directive-list | |
| 622 // directive-list = [ directive *( ";" [ directive ] ) ] | |
| 623 // | |
| 624 void CSPDirectiveList::parse(const UChar* begin, const UChar* end) | |
| 625 { | |
| 626 m_header = String(begin, end - begin); | |
| 627 | |
| 628 if (begin == end) | |
| 629 return; | |
| 630 | |
| 631 const UChar* position = begin; | |
| 632 while (position < end) { | |
| 633 const UChar* directiveBegin = position; | |
| 634 skipUntil<UChar>(position, end, ';'); | |
| 635 | |
| 636 String name, value; | |
| 637 if (parseDirective(directiveBegin, position, name, value)) { | |
| 638 ASSERT(!name.isEmpty()); | |
| 639 addDirective(name, value); | |
| 640 } | |
| 641 | |
| 642 ASSERT(position == end || *position == ';'); | |
| 643 skipExactly<UChar>(position, end, ';'); | |
| 644 } | |
| 645 } | |
| 646 | |
| 647 // directive = *WSP [ directive-name [ WSP directive-value ] ] | |
| 648 // directive-name = 1*( ALPHA / DIGIT / "-" ) | |
| 649 // directive-value = *( WSP / <VCHAR except ";"> ) | |
| 650 // | |
| 651 bool CSPDirectiveList::parseDirective(const UChar* begin, const UChar* end, Stri
ng& name, String& value) | |
| 652 { | |
| 653 ASSERT(name.isEmpty()); | |
| 654 ASSERT(value.isEmpty()); | |
| 655 | |
| 656 const UChar* position = begin; | |
| 657 skipWhile<UChar, isASCIISpace>(position, end); | |
| 658 | |
| 659 // Empty directive (e.g. ";;;"). Exit early. | |
| 660 if (position == end) | |
| 661 return false; | |
| 662 | |
| 663 const UChar* nameBegin = position; | |
| 664 skipWhile<UChar, isCSPDirectiveNameCharacter>(position, end); | |
| 665 | |
| 666 // The directive-name must be non-empty. | |
| 667 if (nameBegin == position) { | |
| 668 skipWhile<UChar, isNotASCIISpace>(position, end); | |
| 669 m_policy->reportUnsupportedDirective(String(nameBegin, position - nameBe
gin)); | |
| 670 return false; | |
| 671 } | |
| 672 | |
| 673 name = String(nameBegin, position - nameBegin); | |
| 674 | |
| 675 if (position == end) | |
| 676 return true; | |
| 677 | |
| 678 if (!skipExactly<UChar, isASCIISpace>(position, end)) { | |
| 679 skipWhile<UChar, isNotASCIISpace>(position, end); | |
| 680 m_policy->reportUnsupportedDirective(String(nameBegin, position - nameBe
gin)); | |
| 681 return false; | |
| 682 } | |
| 683 | |
| 684 skipWhile<UChar, isASCIISpace>(position, end); | |
| 685 | |
| 686 const UChar* valueBegin = position; | |
| 687 skipWhile<UChar, isCSPDirectiveValueCharacter>(position, end); | |
| 688 | |
| 689 if (position != end) { | |
| 690 m_policy->reportInvalidDirectiveValueCharacter(name, String(valueBegin,
end - valueBegin)); | |
| 691 return false; | |
| 692 } | |
| 693 | |
| 694 // The directive-value may be empty. | |
| 695 if (valueBegin == position) | |
| 696 return true; | |
| 697 | |
| 698 value = String(valueBegin, position - valueBegin); | |
| 699 return true; | |
| 700 } | |
| 701 | |
| 702 void CSPDirectiveList::parseReportURI(const String& name, const String& value) | |
| 703 { | |
| 704 if (!m_reportURIs.isEmpty()) { | |
| 705 m_policy->reportDuplicateDirective(name); | |
| 706 return; | |
| 707 } | |
| 708 | |
| 709 Vector<UChar> characters; | |
| 710 value.appendTo(characters); | |
| 711 | |
| 712 const UChar* position = characters.data(); | |
| 713 const UChar* end = position + characters.size(); | |
| 714 | |
| 715 while (position < end) { | |
| 716 skipWhile<UChar, isASCIISpace>(position, end); | |
| 717 | |
| 718 const UChar* urlBegin = position; | |
| 719 skipWhile<UChar, isNotASCIISpace>(position, end); | |
| 720 | |
| 721 if (urlBegin < position) { | |
| 722 String url = String(urlBegin, position - urlBegin); | |
| 723 m_reportURIs.append(m_policy->completeURL(url)); | |
| 724 } | |
| 725 } | |
| 726 } | |
| 727 | |
| 728 | |
| 729 template<class CSPDirectiveType> | |
| 730 void CSPDirectiveList::setCSPDirective(const String& name, const String& value,
OwnPtr<CSPDirectiveType>& directive) | |
| 731 { | |
| 732 if (directive) { | |
| 733 m_policy->reportDuplicateDirective(name); | |
| 734 return; | |
| 735 } | |
| 736 directive = adoptPtr(new CSPDirectiveType(name, value, m_policy)); | |
| 737 } | |
| 738 | |
| 739 void CSPDirectiveList::applySandboxPolicy(const String& name, const String& sand
boxPolicy) | |
| 740 { | |
| 741 if (m_reportOnly) { | |
| 742 m_policy->reportInvalidInReportOnly(name); | |
| 743 return; | |
| 744 } | |
| 745 if (m_haveSandboxPolicy) { | |
| 746 m_policy->reportDuplicateDirective(name); | |
| 747 return; | |
| 748 } | |
| 749 m_haveSandboxPolicy = true; | |
| 750 String invalidTokens; | |
| 751 m_policy->enforceSandboxFlags(parseSandboxPolicy(sandboxPolicy, invalidToken
s)); | |
| 752 if (!invalidTokens.isNull()) | |
| 753 m_policy->reportInvalidSandboxFlags(invalidTokens); | |
| 754 } | |
| 755 | |
| 756 void CSPDirectiveList::parseReflectedXSS(const String& name, const String& value
) | |
| 757 { | |
| 758 if (m_reflectedXSSDisposition != ReflectedXSSUnset) { | |
| 759 m_policy->reportDuplicateDirective(name); | |
| 760 m_reflectedXSSDisposition = ReflectedXSSInvalid; | |
| 761 return; | |
| 762 } | |
| 763 | |
| 764 if (value.isEmpty()) { | |
| 765 m_reflectedXSSDisposition = ReflectedXSSInvalid; | |
| 766 m_policy->reportInvalidReflectedXSS(value); | |
| 767 return; | |
| 768 } | |
| 769 | |
| 770 Vector<UChar> characters; | |
| 771 value.appendTo(characters); | |
| 772 | |
| 773 const UChar* position = characters.data(); | |
| 774 const UChar* end = position + characters.size(); | |
| 775 | |
| 776 skipWhile<UChar, isASCIISpace>(position, end); | |
| 777 const UChar* begin = position; | |
| 778 skipWhile<UChar, isNotASCIISpace>(position, end); | |
| 779 | |
| 780 // value1 | |
| 781 // ^ | |
| 782 if (equalIgnoringCase("allow", begin, position - begin)) { | |
| 783 m_reflectedXSSDisposition = AllowReflectedXSS; | |
| 784 } else if (equalIgnoringCase("filter", begin, position - begin)) { | |
| 785 m_reflectedXSSDisposition = FilterReflectedXSS; | |
| 786 } else if (equalIgnoringCase("block", begin, position - begin)) { | |
| 787 m_reflectedXSSDisposition = BlockReflectedXSS; | |
| 788 } else { | |
| 789 m_reflectedXSSDisposition = ReflectedXSSInvalid; | |
| 790 m_policy->reportInvalidReflectedXSS(value); | |
| 791 return; | |
| 792 } | |
| 793 | |
| 794 skipWhile<UChar, isASCIISpace>(position, end); | |
| 795 if (position == end && m_reflectedXSSDisposition != ReflectedXSSUnset) | |
| 796 return; | |
| 797 | |
| 798 // value1 value2 | |
| 799 // ^ | |
| 800 m_reflectedXSSDisposition = ReflectedXSSInvalid; | |
| 801 m_policy->reportInvalidReflectedXSS(value); | |
| 802 } | |
| 803 | |
| 804 void CSPDirectiveList::parseReferrer(const String& name, const String& value) | |
| 805 { | |
| 806 if (m_didSetReferrerPolicy) { | |
| 807 m_policy->reportDuplicateDirective(name); | |
| 808 m_referrerPolicy = ReferrerPolicyNever; | |
| 809 return; | |
| 810 } | |
| 811 | |
| 812 m_didSetReferrerPolicy = true; | |
| 813 | |
| 814 if (value.isEmpty()) { | |
| 815 m_policy->reportInvalidReferrer(value); | |
| 816 m_referrerPolicy = ReferrerPolicyNever; | |
| 817 return; | |
| 818 } | |
| 819 | |
| 820 Vector<UChar> characters; | |
| 821 value.appendTo(characters); | |
| 822 | |
| 823 const UChar* position = characters.data(); | |
| 824 const UChar* end = position + characters.size(); | |
| 825 | |
| 826 skipWhile<UChar, isASCIISpace>(position, end); | |
| 827 const UChar* begin = position; | |
| 828 skipWhile<UChar, isNotASCIISpace>(position, end); | |
| 829 | |
| 830 // value1 | |
| 831 // ^ | |
| 832 if (equalIgnoringCase("always", begin, position - begin)) { | |
| 833 m_referrerPolicy = ReferrerPolicyAlways; | |
| 834 } else if (equalIgnoringCase("default", begin, position - begin)) { | |
| 835 m_referrerPolicy = ReferrerPolicyDefault; | |
| 836 } else if (equalIgnoringCase("never", begin, position - begin)) { | |
| 837 m_referrerPolicy = ReferrerPolicyNever; | |
| 838 } else if (equalIgnoringCase("origin", begin, position - begin)) { | |
| 839 m_referrerPolicy = ReferrerPolicyOrigin; | |
| 840 } else { | |
| 841 m_referrerPolicy = ReferrerPolicyNever; | |
| 842 m_policy->reportInvalidReferrer(value); | |
| 843 return; | |
| 844 } | |
| 845 | |
| 846 skipWhile<UChar, isASCIISpace>(position, end); | |
| 847 if (position == end) | |
| 848 return; | |
| 849 | |
| 850 // value1 value2 | |
| 851 // ^ | |
| 852 m_referrerPolicy = ReferrerPolicyNever; | |
| 853 m_policy->reportInvalidReferrer(value); | |
| 854 | |
| 855 } | |
| 856 | |
| 857 void CSPDirectiveList::addDirective(const String& name, const String& value) | |
| 858 { | |
| 859 ASSERT(!name.isEmpty()); | |
| 860 | |
| 861 if (equalIgnoringCase(name, defaultSrc)) { | |
| 862 setCSPDirective<SourceListDirective>(name, value, m_defaultSrc); | |
| 863 } else if (equalIgnoringCase(name, scriptSrc)) { | |
| 864 setCSPDirective<SourceListDirective>(name, value, m_scriptSrc); | |
| 865 m_policy->usesScriptHashAlgorithms(m_scriptSrc->hashAlgorithmsUsed()); | |
| 866 } else if (equalIgnoringCase(name, objectSrc)) { | |
| 867 setCSPDirective<SourceListDirective>(name, value, m_objectSrc); | |
| 868 } else if (equalIgnoringCase(name, frameSrc)) { | |
| 869 setCSPDirective<SourceListDirective>(name, value, m_frameSrc); | |
| 870 } else if (equalIgnoringCase(name, imgSrc)) { | |
| 871 setCSPDirective<SourceListDirective>(name, value, m_imgSrc); | |
| 872 } else if (equalIgnoringCase(name, styleSrc)) { | |
| 873 setCSPDirective<SourceListDirective>(name, value, m_styleSrc); | |
| 874 m_policy->usesStyleHashAlgorithms(m_styleSrc->hashAlgorithmsUsed()); | |
| 875 } else if (equalIgnoringCase(name, fontSrc)) { | |
| 876 setCSPDirective<SourceListDirective>(name, value, m_fontSrc); | |
| 877 } else if (equalIgnoringCase(name, mediaSrc)) { | |
| 878 setCSPDirective<SourceListDirective>(name, value, m_mediaSrc); | |
| 879 } else if (equalIgnoringCase(name, connectSrc)) { | |
| 880 setCSPDirective<SourceListDirective>(name, value, m_connectSrc); | |
| 881 } else if (equalIgnoringCase(name, sandbox)) { | |
| 882 applySandboxPolicy(name, value); | |
| 883 } else if (equalIgnoringCase(name, reportURI)) { | |
| 884 parseReportURI(name, value); | |
| 885 } else if (m_policy->experimentalFeaturesEnabled()) { | |
| 886 if (equalIgnoringCase(name, baseURI)) | |
| 887 setCSPDirective<SourceListDirective>(name, value, m_baseURI); | |
| 888 else if (equalIgnoringCase(name, childSrc)) | |
| 889 setCSPDirective<SourceListDirective>(name, value, m_childSrc); | |
| 890 else if (equalIgnoringCase(name, formAction)) | |
| 891 setCSPDirective<SourceListDirective>(name, value, m_formAction); | |
| 892 else if (equalIgnoringCase(name, frameAncestors)) | |
| 893 setCSPDirective<SourceListDirective>(name, value, m_frameAncestors); | |
| 894 else if (equalIgnoringCase(name, pluginTypes)) | |
| 895 setCSPDirective<MediaListDirective>(name, value, m_pluginTypes); | |
| 896 else if (equalIgnoringCase(name, reflectedXSS)) | |
| 897 parseReflectedXSS(name, value); | |
| 898 else if (equalIgnoringCase(name, referrer)) | |
| 899 parseReferrer(name, value); | |
| 900 else | |
| 901 m_policy->reportUnsupportedDirective(name); | |
| 902 } else { | |
| 903 m_policy->reportUnsupportedDirective(name); | |
| 904 } | |
| 905 } | |
| 906 | |
| 907 ContentSecurityPolicy::ContentSecurityPolicy(ExecutionContextClient* client) | 132 ContentSecurityPolicy::ContentSecurityPolicy(ExecutionContextClient* client) |
| 908 : m_client(client) | 133 : m_client(client) |
| 909 , m_overrideInlineStyleAllowed(false) | 134 , m_overrideInlineStyleAllowed(false) |
| 910 , m_scriptHashAlgorithmsUsed(ContentSecurityPolicyHashAlgorithmNone) | 135 , m_scriptHashAlgorithmsUsed(ContentSecurityPolicyHashAlgorithmNone) |
| 911 , m_styleHashAlgorithmsUsed(ContentSecurityPolicyHashAlgorithmNone) | 136 , m_styleHashAlgorithmsUsed(ContentSecurityPolicyHashAlgorithmNone) |
| 912 { | 137 { |
| 913 } | 138 } |
| 914 | 139 |
| 915 ContentSecurityPolicy::~ContentSecurityPolicy() | 140 ContentSecurityPolicy::~ContentSecurityPolicy() |
| 916 { | 141 { |
| (...skipping 644 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 1561 // Collisions have no security impact, so we can save space by storing only
the string's hash rather than the whole report. | 786 // Collisions have no security impact, so we can save space by storing only
the string's hash rather than the whole report. |
| 1562 return !m_violationReportsSent.contains(report.impl()->hash()); | 787 return !m_violationReportsSent.contains(report.impl()->hash()); |
| 1563 } | 788 } |
| 1564 | 789 |
| 1565 void ContentSecurityPolicy::didSendViolationReport(const String& report) | 790 void ContentSecurityPolicy::didSendViolationReport(const String& report) |
| 1566 { | 791 { |
| 1567 m_violationReportsSent.add(report.impl()->hash()); | 792 m_violationReportsSent.add(report.impl()->hash()); |
| 1568 } | 793 } |
| 1569 | 794 |
| 1570 } // namespace WebCore | 795 } // namespace WebCore |
| OLD | NEW |