diff options
Diffstat (limited to 'netwerk/protocol/file/nsFileProtocolHandler.cpp')
| -rw-r--r-- | netwerk/protocol/file/nsFileProtocolHandler.cpp | 274 |
1 files changed, 274 insertions, 0 deletions
diff --git a/netwerk/protocol/file/nsFileProtocolHandler.cpp b/netwerk/protocol/file/nsFileProtocolHandler.cpp new file mode 100644 index 000000000..e55cb9d47 --- /dev/null +++ b/netwerk/protocol/file/nsFileProtocolHandler.cpp @@ -0,0 +1,274 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +// vim:ts=4 sw=4 sts=4 et cin: +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "nsIFile.h" +#include "nsFileProtocolHandler.h" +#include "nsFileChannel.h" +#include "nsStandardURL.h" +#include "nsURLHelper.h" + +#include "nsNetUtil.h" + +// URL file handling, copied and modified from xpfe/components/bookmarks/src/nsBookmarksService.cpp +#ifdef XP_WIN +#include <shlobj.h> +#include <intshcut.h> +#include "nsIFileURL.h" +#ifdef CompareString +#undef CompareString +#endif +#endif + +// URL file handling for freedesktop.org +#ifdef XP_UNIX +#include "nsINIParser.h" +#define DESKTOP_ENTRY_SECTION "Desktop Entry" +#endif + +//----------------------------------------------------------------------------- + +nsFileProtocolHandler::nsFileProtocolHandler() +{ +} + +nsresult +nsFileProtocolHandler::Init() +{ + return NS_OK; +} + +NS_IMPL_ISUPPORTS(nsFileProtocolHandler, + nsIFileProtocolHandler, + nsIProtocolHandler, + nsISupportsWeakReference) + +//----------------------------------------------------------------------------- +// nsIProtocolHandler methods: + +#if defined(XP_WIN) +NS_IMETHODIMP +nsFileProtocolHandler::ReadURLFile(nsIFile* aFile, nsIURI** aURI) +{ + nsAutoString path; + nsresult rv = aFile->GetPath(path); + if (NS_FAILED(rv)) + return rv; + + if (path.Length() < 4) + return NS_ERROR_NOT_AVAILABLE; + if (!StringTail(path, 4).LowerCaseEqualsLiteral(".url")) + return NS_ERROR_NOT_AVAILABLE; + + HRESULT result; + + rv = NS_ERROR_NOT_AVAILABLE; + + IUniformResourceLocatorW* urlLink = nullptr; + result = ::CoCreateInstance(CLSID_InternetShortcut, nullptr, CLSCTX_INPROC_SERVER, + IID_IUniformResourceLocatorW, (void**)&urlLink); + if (SUCCEEDED(result) && urlLink) { + IPersistFile* urlFile = nullptr; + result = urlLink->QueryInterface(IID_IPersistFile, (void**)&urlFile); + if (SUCCEEDED(result) && urlFile) { + result = urlFile->Load(path.get(), STGM_READ); + if (SUCCEEDED(result) ) { + LPWSTR lpTemp = nullptr; + + // The URL this method will give us back seems to be already + // escaped. Hence, do not do escaping of our own. + result = urlLink->GetURL(&lpTemp); + if (SUCCEEDED(result) && lpTemp) { + rv = NS_NewURI(aURI, nsDependentString(lpTemp)); + // free the string that GetURL alloc'd + CoTaskMemFree(lpTemp); + } + } + urlFile->Release(); + } + urlLink->Release(); + } + return rv; +} + +#elif defined(XP_UNIX) +NS_IMETHODIMP +nsFileProtocolHandler::ReadURLFile(nsIFile* aFile, nsIURI** aURI) +{ + // We only support desktop files that end in ".desktop" like the spec says: + // http://standards.freedesktop.org/desktop-entry-spec/latest/ar01s02.html + nsAutoCString leafName; + nsresult rv = aFile->GetNativeLeafName(leafName); + if (NS_FAILED(rv) || + !StringEndsWith(leafName, NS_LITERAL_CSTRING(".desktop"))) + return NS_ERROR_NOT_AVAILABLE; + + bool isFile = false; + rv = aFile->IsFile(&isFile); + if (NS_FAILED(rv) || !isFile) { + return NS_ERROR_NOT_AVAILABLE; + } + + nsINIParser parser; + rv = parser.Init(aFile); + if (NS_FAILED(rv)) + return rv; + + nsAutoCString type; + parser.GetString(DESKTOP_ENTRY_SECTION, "Type", type); + if (!type.EqualsLiteral("Link")) + return NS_ERROR_NOT_AVAILABLE; + + nsAutoCString url; + rv = parser.GetString(DESKTOP_ENTRY_SECTION, "URL", url); + if (NS_FAILED(rv) || url.IsEmpty()) + return NS_ERROR_NOT_AVAILABLE; + + return NS_NewURI(aURI, url); +} + +#else // other platforms +NS_IMETHODIMP +nsFileProtocolHandler::ReadURLFile(nsIFile* aFile, nsIURI** aURI) +{ + return NS_ERROR_NOT_AVAILABLE; +} +#endif // ReadURLFile() + +NS_IMETHODIMP +nsFileProtocolHandler::GetScheme(nsACString &result) +{ + result.AssignLiteral("file"); + return NS_OK; +} + +NS_IMETHODIMP +nsFileProtocolHandler::GetDefaultPort(int32_t *result) +{ + *result = -1; // no port for file: URLs + return NS_OK; +} + +NS_IMETHODIMP +nsFileProtocolHandler::GetProtocolFlags(uint32_t *result) +{ + *result = URI_NOAUTH | URI_IS_LOCAL_FILE | URI_IS_LOCAL_RESOURCE; + return NS_OK; +} + +NS_IMETHODIMP +nsFileProtocolHandler::NewURI(const nsACString &spec, + const char *charset, + nsIURI *baseURI, + nsIURI **result) +{ + nsCOMPtr<nsIStandardURL> url = new nsStandardURL(true); + if (!url) + return NS_ERROR_OUT_OF_MEMORY; + + const nsACString *specPtr = &spec; + +#if defined(XP_WIN) + nsAutoCString buf; + if (net_NormalizeFileURL(spec, buf)) + specPtr = &buf; +#endif + + nsresult rv = url->Init(nsIStandardURL::URLTYPE_NO_AUTHORITY, -1, + *specPtr, charset, baseURI); + if (NS_FAILED(rv)) return rv; + + return CallQueryInterface(url, result); +} + +NS_IMETHODIMP +nsFileProtocolHandler::NewChannel2(nsIURI* uri, + nsILoadInfo* aLoadInfo, + nsIChannel** result) +{ + nsFileChannel *chan = new nsFileChannel(uri); + if (!chan) + return NS_ERROR_OUT_OF_MEMORY; + NS_ADDREF(chan); + + nsresult rv = chan->Init(); + if (NS_FAILED(rv)) { + NS_RELEASE(chan); + return rv; + } + + // set the loadInfo on the new channel + rv = chan->SetLoadInfo(aLoadInfo); + if (NS_FAILED(rv)) { + NS_RELEASE(chan); + return rv; + } + + *result = chan; + return NS_OK; +} + +NS_IMETHODIMP +nsFileProtocolHandler::NewChannel(nsIURI *uri, nsIChannel **result) +{ + return NewChannel2(uri, nullptr, result); +} + +NS_IMETHODIMP +nsFileProtocolHandler::AllowPort(int32_t port, const char *scheme, bool *result) +{ + // don't override anything. + *result = false; + return NS_OK; +} + +//----------------------------------------------------------------------------- +// nsIFileProtocolHandler methods: + +NS_IMETHODIMP +nsFileProtocolHandler::NewFileURI(nsIFile *file, nsIURI **result) +{ + NS_ENSURE_ARG_POINTER(file); + nsresult rv; + + nsCOMPtr<nsIFileURL> url = new nsStandardURL(true); + if (!url) + return NS_ERROR_OUT_OF_MEMORY; + + // NOTE: the origin charset is assigned the value of the platform + // charset by the SetFile method. + rv = url->SetFile(file); + if (NS_FAILED(rv)) return rv; + + return CallQueryInterface(url, result); +} + +NS_IMETHODIMP +nsFileProtocolHandler::GetURLSpecFromFile(nsIFile *file, nsACString &result) +{ + NS_ENSURE_ARG_POINTER(file); + return net_GetURLSpecFromFile(file, result); +} + +NS_IMETHODIMP +nsFileProtocolHandler::GetURLSpecFromActualFile(nsIFile *file, + nsACString &result) +{ + NS_ENSURE_ARG_POINTER(file); + return net_GetURLSpecFromActualFile(file, result); +} + +NS_IMETHODIMP +nsFileProtocolHandler::GetURLSpecFromDir(nsIFile *file, nsACString &result) +{ + NS_ENSURE_ARG_POINTER(file); + return net_GetURLSpecFromDir(file, result); +} + +NS_IMETHODIMP +nsFileProtocolHandler::GetFileFromURLSpec(const nsACString &spec, nsIFile **result) +{ + return net_GetFileFromURLSpec(spec, result); +} |