FCL/sf/mw/qtwebkit: comparison WebCore/loader/appcache/ManifestParser.cpp

equal deleted inserted replaced

--1:000000000000
+:4f2f89ce4247
+/*
+* Copyright (C) 2008 Apple Inc. All Rights Reserved.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions
+* are met:
+* 1. Redistributions of source code must retain the above copyright
+*    notice, this list of conditions and the following disclaimer.
+* 2. Redistributions in binary form must reproduce the above copyright
+*    notice, this list of conditions and the following disclaimer in the
+*    documentation and/or other materials provided with the distribution.
+*
+* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+* PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+#include "config.h"
+#include "ManifestParser.h"
+#if ENABLE(OFFLINE_WEB_APPLICATIONS)
+#include "CharacterNames.h"
+#include "KURL.h"
+#include "TextResourceDecoder.h"
+using namespace std;
+namespace WebCore {
+enum Mode { Explicit, Fallback, OnlineWhitelist, Unknown };
+bool parseManifest(const KURL& manifestURL, const char* data, int length, Manifest& manifest)
+{
+ASSERT(manifest.explicitURLs.isEmpty());
+ASSERT(manifest.onlineWhitelistedURLs.isEmpty());
+ASSERT(manifest.fallbackURLs.isEmpty());
+manifest.allowAllNetworkRequests = false;
+Mode mode = Explicit;
+RefPtr<TextResourceDecoder> decoder = TextResourceDecoder::create("text/cache-manifest", "UTF-8");
+String s = decoder->decode(data, length);
+s += decoder->flush();
+// Look for the magic signature: "^\xFEFF?CACHE MANIFEST[ \t]?" (the BOM is removed by TextResourceDecoder).
+// Example: "CACHE MANIFEST #comment" is a valid signature.
+// Example: "CACHE MANIFEST;V2" is not.
+if (!s.startsWith("CACHE MANIFEST"))
+return false;
+const UChar* end = s.characters() + s.length();
+const UChar* p = s.characters() + 14; // "CACHE MANIFEST" is 14 characters.
+if (p < end && *p != ' ' && *p != '\t' && *p != '\n' && *p != '\r')
+return false;
+// Skip to the end of the line.
+while (p < end && *p != '\r' && *p != '\n')
+p++;
+while (1) {
+// Skip whitespace
+while (p < end && (*p == '\n' || *p == '\r' || *p == ' ' || *p == '\t'))
+p++;
+if (p == end)
+break;
+const UChar* lineStart = p;
+// Find the end of the line
+while (p < end && *p != '\r' && *p != '\n')
+p++;
+// Check if we have a comment
+if (*lineStart == '#')
+continue;
+// Get rid of trailing whitespace
+const UChar* tmp = p - 1;
+while (tmp > lineStart && (*tmp == ' ' || *tmp == '\t'))
+tmp--;
+String line(lineStart, tmp - lineStart + 1);
+if (line == "CACHE:")
+mode = Explicit;
+else if (line == "FALLBACK:")
+mode = Fallback;
+else if (line == "NETWORK:")
+mode = OnlineWhitelist;
+else if (line.endsWith(":"))
+mode = Unknown;
+else if (mode == Unknown)
+continue;
+else if (mode == Explicit || mode == OnlineWhitelist) {
+const UChar* p = line.characters();
+const UChar* lineEnd = p + line.length();
+// Look for whitespace separating the URL from subsequent ignored tokens.
+while (p < lineEnd && *p != '\t' && *p != ' ')
+p++;
+if (mode == OnlineWhitelist && p - line.characters() == 1 && *line.characters() == '*') {
+// Wildcard was found.
+manifest.allowAllNetworkRequests = true;
+continue;
+}
+KURL url(manifestURL, String(line.characters(), p - line.characters()));
+if (!url.isValid())
+continue;
+if (url.hasFragmentIdentifier())
+url.removeFragmentIdentifier();
+if (!equalIgnoringCase(url.protocol(), manifestURL.protocol()))
+continue;
+if (mode == Explicit && manifestURL.protocolIs("https") && !protocolHostAndPortAreEqual(manifestURL, url))
+continue;
+if (mode == Explicit)
+manifest.explicitURLs.add(url.string());
+else
+manifest.onlineWhitelistedURLs.append(url);
+} else if (mode == Fallback) {
+const UChar* p = line.characters();
+const UChar* lineEnd = p + line.length();
+// Look for whitespace separating the two URLs
+while (p < lineEnd && *p != '\t' && *p != ' ')
+p++;
+if (p == lineEnd) {
+// There was no whitespace separating the URLs.
+continue;
+}
+KURL namespaceURL(manifestURL, String(line.characters(), p - line.characters()));
+if (!namespaceURL.isValid())
+continue;
+if (namespaceURL.hasFragmentIdentifier())
+namespaceURL.removeFragmentIdentifier();
+if (!protocolHostAndPortAreEqual(manifestURL, namespaceURL))
+continue;
+// Skip whitespace separating fallback namespace from URL.
+while (p < lineEnd && (*p == '\t' || *p == ' '))
+p++;
+// Look for whitespace separating the URL from subsequent ignored tokens.
+const UChar* fallbackStart = p;
+while (p < lineEnd && *p != '\t' && *p != ' ')
+p++;
+KURL fallbackURL(manifestURL, String(fallbackStart, p - fallbackStart));
+if (!fallbackURL.isValid())
+continue;
+if (fallbackURL.hasFragmentIdentifier())
+fallbackURL.removeFragmentIdentifier();
+if (!protocolHostAndPortAreEqual(manifestURL, fallbackURL))
+continue;
+manifest.fallbackURLs.append(make_pair(namespaceURL, fallbackURL));
+} else
+ASSERT_NOT_REACHED();
+}
+return true;
+}
+}
+#endif // ENABLE(OFFLINE_WEB_APPLICATIONS)