diff options
Diffstat (limited to 'embed/mozilla/EphyAboutModule.cpp')
| -rw-r--r-- | embed/mozilla/EphyAboutModule.cpp | 520 |
1 files changed, 520 insertions, 0 deletions
diff --git a/embed/mozilla/EphyAboutModule.cpp b/embed/mozilla/EphyAboutModule.cpp new file mode 100644 index 000000000..f6247eec3 --- /dev/null +++ b/embed/mozilla/EphyAboutModule.cpp @@ -0,0 +1,520 @@ +/* + * Copyright (C) 2001 Matt Aubury, Philip Langdale + * Copyright (C) 2004 Crispin Flowerday + * Copyright (C) 2005 Christian Persch + * Copyright (C) 2005 Adam Hooper + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * $Id$ + */ + +#include "mozilla-config.h" + +#include "config.h" + +#include <nsCOMPtr.h> +#include <nsIIOService.h> +#include <nsIServiceManager.h> +#include <nsIURI.h> +#include <nsIChannel.h> +#include <nsIOutputStream.h> +#include <nsIInputStream.h> +#include <nsIStorageStream.h> +#include <nsIInputStreamChannel.h> +#include <nsIScriptSecurityManager.h> +#include <nsNetCID.h> +#include <nsString.h> +#include <nsEscape.h> + +#include <glib/gi18n.h> +#include <gtk/gtk.h> + +#include "EphyAboutModule.h" +#include "EphyUtils.h" + +#include "ephy-debug.h" + +#include <string.h> + +EphyAboutModule::EphyAboutModule() +{ + LOG ("EphyAboutModule ctor [%p]\n", this); +} + +EphyAboutModule::~EphyAboutModule() +{ + LOG ("EphyAboutModule dtor [%p]\n", this); +} + +NS_IMPL_ISUPPORTS1 (EphyAboutModule, nsIAboutModule) + +/* nsIChannel newChannel (in nsIURI aURI); */ +NS_IMETHODIMP +EphyAboutModule::NewChannel(nsIURI *aURI, + nsIChannel **_retval) +{ + NS_ENSURE_ARG(aURI); + + nsCAutoString path; + aURI->GetPath (path); + + if (strncmp (path.get(), "neterror", strlen ("neterror")) == 0) + { + return CreateErrorPage (aURI, _retval); + } + + if (strncmp (path.get (), "epiphany", strlen ("epiphany")) == 0) + { + return Redirect (nsDependentCString ("file://" SHARE_DIR "/epiphany.xhtml"), _retval); + } + + return NS_ERROR_ILLEGAL_VALUE; +} + +/* private functions */ + +nsresult +EphyAboutModule::Redirect(const nsACString &aURL, + nsIChannel **_retval) +{ + nsresult rv; + nsCOMPtr<nsIIOService> ioService; + rv = EphyUtils::GetIOService (getter_AddRefs (ioService)); + NS_ENSURE_SUCCESS (rv, rv); + + nsCOMPtr<nsIChannel> tempChannel; + rv = ioService->NewChannel(aURL, nsnull, nsnull, getter_AddRefs(tempChannel)); + NS_ENSURE_SUCCESS (rv, rv); + + nsCOMPtr<nsIURI> uri; + rv = ioService->NewURI(aURL, nsnull, nsnull, getter_AddRefs(uri)); + NS_ENSURE_SUCCESS (rv, rv); + + tempChannel->SetOriginalURI (uri); + + nsCOMPtr<nsIScriptSecurityManager> securityManager = + do_GetService(NS_SCRIPTSECURITYMANAGER_CONTRACTID, &rv); + NS_ENSURE_SUCCESS (rv, rv); + + nsCOMPtr<nsIPrincipal> principal; + rv = securityManager->GetCodebasePrincipal(uri, getter_AddRefs(principal)); + NS_ENSURE_SUCCESS (rv, rv); + + rv = tempChannel->SetOwner(principal); + NS_ENSURE_SUCCESS (rv, rv); + + NS_ADDREF(*_retval = tempChannel); + return rv; +} + +nsresult +EphyAboutModule::ParseErrorURL(const char *aURL, + nsACString &aError, + nsACString &aRawOriginURL, + nsACString &aOriginURL, + nsACString &aOriginCharset) +{ + /* The error page URL is of the form "epiphany:error?e=<error>&u=<URL>&c=<charset>&d=<description>" */ + const char *query = strstr (aURL, "?"); + if (!query) return NS_ERROR_FAILURE; + + /* skip the '?' */ + ++query; + + char **params = g_strsplit (query, "&", -1); + if (!params) return NS_ERROR_FAILURE; + + for (PRUint32 i = 0; params[i] != NULL; ++i) + { + char *param = params[i]; + + if (strlen (param) <= 2) continue; + + switch (param[0]) + { + case 'e': + aError.Assign (nsUnescape (param + 2)); + break; + case 'u': + aRawOriginURL.Assign (param + 2); + aOriginURL.Assign (nsUnescape (param + 2)); + break; + case 'c': + aOriginCharset.Assign (nsUnescape (param + 2)); + break; + case 'd': + /* we don't need mozilla's description parameter */ + default: + break; + } + } + + g_strfreev (params); + + return NS_OK; +} + +nsresult +EphyAboutModule::GetErrorMessage(nsIURI *aURI, + const char *aError, + char **aPrimary, + char **aSecondary, + char **aTertiary, + char **aLinkIntro) +{ + if (strcmp (aError, "protocolNotFound") == 0) + { + nsCAutoString scheme; + aURI->GetScheme (scheme); + + /* Translators: %s is the name of a protocol, like "http" etc. */ + *aPrimary = g_strdup_printf (_("“%s” protocol is not supported."), scheme.get()); + /* FIXME: get the list of supported protocols from necko */ + *aSecondary = _("Supported protocols are “http”, “https”, “ftp”, “file”, “smb” " + "and “sftp”."); + } + else if (strcmp (aError, "fileNotFound") == 0) + { + nsCAutoString path; + aURI->GetPath (path); + + /* Translators: %s is the path and filename, for example "/home/user/test.html" */ + *aPrimary = g_markup_printf_escaped (_("File “%s” not found."), path.get()); + *aSecondary = _("Check the location of the file and try again."); + } + else if (strcmp (aError, "dnsNotFound") == 0) + { + nsCAutoString host; + aURI->GetHost (host); + + /* Translators: %s is the hostname, like "www.example.com" */ + *aPrimary = g_markup_printf_escaped (_("“%s” could not be found."), + host.get()); + *aSecondary = _("Check that you are connected to the internet, and " + "that the address is correct."); + *aLinkIntro = _("If this page used to exist, you may find an archived version:"); + } + else if (strcmp (aError, "connectionFailure") == 0) + { + nsCAutoString host; + aURI->GetHost (host); + + /* Translators: %s is the hostname, like "www.example.com" */ + *aPrimary = g_markup_printf_escaped + (_("“%s” refused the connection."), + host.get()); + *aSecondary = _("The server may be busy or you may have a " + "network connection problem. Try again later."); + *aLinkIntro = _("There may be an old version of the page you wanted:"); + } + else if (strcmp (aError, "netInterrupt") == 0) + { + nsCAutoString host; + aURI->GetHost (host); + + /* Translators: %s is the hostname, like "www.example.com" */ + *aPrimary = g_markup_printf_escaped + (_("“%s” interrupted the connection."), + host.get()); + *aSecondary = _("The server may be busy or you may have a " + "network connection problem. Try again later."); + *aLinkIntro = _("There may be an old version of the page you wanted:"); + } + else if (strcmp (aError, "netTimeout") == 0) + { + nsCAutoString host; + aURI->GetHost (host); + + /* Translators: %s is the hostname, like "www.example.com" */ + *aPrimary = g_markup_printf_escaped + (_("“%s” is not responding."), + host.get()); + *aSecondary = _("The connection was lost because the " + "server took too long to respond."); + *aTertiary = _("The server may be busy or you may have a network " + "connection problem. Try again later."); + *aLinkIntro = _("There may be an old version of the page you wanted:"); + } + else if (strcmp (aError, "malformedURI") == 0) + { + *aPrimary = g_strdup (_("Invalid address.")); + *aSecondary = g_strdup (_("The address you entered is not valid.")); + } + else if (strcmp (aError, "redirectLoop") == 0) + { + nsCAutoString host; + aURI->GetHost (host); + + /* Translators: %s is the hostname, like "www.example.com" */ + *aPrimary = g_markup_printf_escaped + (_("“%s” redirected too many times."), + host.get()); + *aSecondary = _("The redirection has been stopped for security reasons."); + *aLinkIntro = _("There may be an old version of the page you wanted:"); + } + else if (strcmp (aError, "unknownSocketType") == 0) + { + nsCAutoString host; + aURI->GetHost (host); + + /* Translators: %s is the hostname, like "www.example.com" */ + *aPrimary = g_markup_printf_escaped + (_("“%s” requires an encrypted connection."), + host.get()); + *aSecondary = _("The document could not be loaded because " + "encryption support is not installed."); + *aLinkIntro = _("There may be an old version of the page you wanted:"); + } + else if (strcmp (aError, "netReset") == 0) + { + nsCAutoString host; + aURI->GetHost (host); + + /* Translators: %s is the hostname, like "www.example.com" */ + *aPrimary = g_markup_printf_escaped + (_("“%s” dropped the connection."), + host.get()); + *aSecondary = _("The server dropped the connection " + "before any data could be read."); + *aTertiary = _("The server may be busy or you may have a " + "network connection problem. Try again later."); + *aLinkIntro = _("There may be an old version of the page you wanted:"); + } + else if (strcmp (aError, "netOffline") == 0) + { + *aPrimary = g_strdup (_("Cannot load document in offline mode.")); + *aSecondary = _("This document cannot be viewed in offline " + "mode. Set Epiphany to “online” " + "and try again."); + } + else if (strcmp (aError, "deniedPortAccess") == 0) + { + nsCAutoString host; + aURI->GetHost (host); + + PRInt32 port = -1; + aURI->GetPort (&port); + + /* Translators: %s is the hostname, like "www.example.com" */ + *aPrimary = g_markup_printf_escaped + (_("“%s” denied access to port “%d”."), + host.get(), port > 0 ? port : 80); + *aSecondary = g_strdup (_("The server dropped the connection " + "before any data could be read.")); + *aTertiary = _("The server may be busy or you may have a " + "network connection problem. Try again later."); + *aLinkIntro = _("There may be an old version of the page you wanted:"); + } + else if (strcmp (aError, "proxyResolveFailure") == 0 || + strcmp (aError, "proxyConnectFailure") == 0) + { + *aPrimary = g_strdup (_("Could not connect to proxy server.")); + *aSecondary = _("Check the proxy server settings in Control Center. " + "If the connection still fails, there may be " + "a problem with your proxy server or your " + "network connection."); + } + else + { + return NS_ERROR_ILLEGAL_VALUE; + } + + return NS_OK; +} + +nsresult +EphyAboutModule::CreateErrorPage(nsIURI *aErrorURI, + nsIChannel **_retval) +{ + /* First parse the arguments */ + nsresult rv = NS_ERROR_ILLEGAL_VALUE; + nsCAutoString spec; + rv = aErrorURI->GetSpec (spec); + NS_ENSURE_TRUE (NS_SUCCEEDED (rv) && !spec.IsEmpty(), rv); + + nsCAutoString error, rawurl, url, charset; + rv = ParseErrorURL (spec.get (), error, rawurl, url, charset); + if (NS_FAILED (rv) || error.IsEmpty () || url.IsEmpty()) return rv; + + nsCOMPtr<nsIURI> uri; + rv = EphyUtils::NewURI(getter_AddRefs (uri), url, charset.get()); + /* FIXME can uri be NULL if the original url was invalid? */ + NS_ENSURE_TRUE (NS_SUCCEEDED (rv) && uri, rv); + + char *primary = nsnull, *secondary = nsnull, *tertiary = nsnull, *linkintro = nsnull; + rv = GetErrorMessage (uri, error.get(), &primary, &secondary, &tertiary, &linkintro); + + /* we don't know about this error code. + * FIXME: We'd like to forward to mozilla's about:neterror handler, + * but I don't know how to. So just redirect to the same page that + * mozilla's handler redirects to. + */ + if (rv == NS_ERROR_ILLEGAL_VALUE) + { + nsCAutoString url(spec); + + /* remove "about:neterror" part and insert mozilla's error page url */ + url.Cut(0, strlen ("about:neterror")); + url.Insert("chrome://global/content/netError.xhtml", 0); + + return Redirect (url, _retval); + } + + NS_ENSURE_TRUE (primary && secondary, NS_ERROR_FAILURE); + + /* open the rendering stream */ + nsCOMPtr<nsIStorageStream> storageStream; + rv = NS_NewStorageStream(16384, (PRUint32) -1, getter_AddRefs (storageStream)); + NS_ENSURE_SUCCESS (rv, rv); + + nsCOMPtr<nsIOutputStream> stream; + rv = storageStream->GetOutputStream(0, getter_AddRefs (stream)); + NS_ENSURE_SUCCESS (rv, rv); + + char *language = g_strdup (pango_language_to_string (gtk_get_default_language ())); + g_strdelimit (language, "_-@", '\0'); + + Write (stream, + "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n" + "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\" " + "\"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">\n" + "<html xmlns=\"http://www.w3.org/1999/xhtml\" lang=\""); + Write (stream, language); + Write (stream, + "\" xml:lang=\""); + Write (stream, language); + Write (stream, + "\">\n" + "<head>\n" + "<title>"); + Write (stream, primary); + /* no favicon for now, it would pollute the favicon cache */ + /* "<link rel=\"icon\" type=\"image/png\" href=\"moz-icon://stock/gtk-dialog-error?size=16\" />\n" */ + Write (stream, + "</title>\n" + "<style type=\"text/css\">\n" + "div#body {\n" + "top: 12px;\n" + "right: 12px;\n" + "bottom: 12px;\n" + "left: 12px;\n" + "overflow: auto;\n" + + "background: -moz-dialog url('moz-icon://stock/gtk-dialog-error?size=dialog') no-repeat 12px 12px;\n" + "color: -moz-dialogtext;\n" + "font: message-box;\n" + "border: 1px solid -moz-dialogtext;\n" + + "padding: 12px 12px 12px 72px;\n" + "}\n" + + "h1 {\n" + "margin: 0;\n" + "font-size: 1.2em;\n" + "}\n" + "</style>\n" + "</head>\n" + "<body dir=\""); + Write (stream, + gtk_widget_get_default_direction () == GTK_TEXT_DIR_RTL ? "rtl" : "ltr"); + Write (stream, + "\">\n" + "<div id=\"body\">" + "<h1>"); + Write (stream, primary); + Write (stream, + "</h1>\n" + "<p>"); + Write (stream, secondary); + if (tertiary) + { + Write (stream, " "); + Write (stream, tertiary); + } + Write (stream, + "</p>\n"); + + PRBool isHttp = PR_FALSE, isHttps = PR_FALSE; + uri->SchemeIs ("http", &isHttp); + uri->SchemeIs ("https", &isHttps); + if (linkintro && (isHttp || isHttps)) + { + Write (stream, "<p>"); + Write (stream, linkintro); + Write (stream, "<ul>\n"); + Write (stream, "<li><a href=\"http://google.com/search?q=cache:"); + Write (stream, rawurl.get()); + Write (stream, "\">"); + /* Translators: The text before the "|" is context to help you decide on + * the correct translation. You MUST OMIT it in the translated string. */ + Write (stream, Q_("You may find an old version:|in the Google Cache")); + Write (stream, "</a></li>\n"); + + Write (stream, "<li><a href=\"http://web.archive.org/web/*/"); + Write (stream, rawurl.get()); + Write (stream, "\">"); + /* Translators: The text before the "|" is context to help you decide on + * the correct translation. You MUST OMIT it in the translated string. */ + Write (stream, Q_("You may find an old version:|in the Internet Archive")); + Write (stream, "</a></li>\n" + "</ul>\n" + "</p>"); + } + + Write (stream, + "</div>\n" + "</body>\n" + "</html>\n"); + + g_free (language); + g_free (primary); + + /* finish the rendering */ + nsCOMPtr<nsIInputStream> inputStream; + rv = storageStream->NewInputStream(0, getter_AddRefs (inputStream)); + NS_ENSURE_SUCCESS (rv, rv); + + nsCOMPtr<nsIInputStreamChannel> channel (do_CreateInstance ("@mozilla.org/network/input-stream-channel;1", &rv)); + NS_ENSURE_SUCCESS (rv, rv); + + rv |= channel->SetURI (aErrorURI); + rv |= channel->SetContentStream (inputStream); + rv |= channel->SetContentType (NS_LITERAL_CSTRING ("application/xhtml+xml")); + rv |= channel->SetContentCharset (NS_LITERAL_CSTRING ("utf-8")); + NS_ENSURE_SUCCESS (rv, rv); + + nsCOMPtr<nsIScriptSecurityManager> securityManager + (do_GetService(NS_SCRIPTSECURITYMANAGER_CONTRACTID, &rv)); + NS_ENSURE_SUCCESS (rv, rv); + + nsCOMPtr<nsIPrincipal> principal; + rv = securityManager->GetCodebasePrincipal (aErrorURI, getter_AddRefs (principal)); + NS_ENSURE_SUCCESS (rv, rv); + + rv = channel->SetOwner(principal); + NS_ENSURE_SUCCESS (rv, rv); + + NS_ADDREF(*_retval = channel); + return rv; +} + +nsresult +EphyAboutModule::Write(nsIOutputStream *aStream, + const char *aText) +{ + PRUint32 bytesWritten; + return aStream->Write (aText, strlen (aText), &bytesWritten); +} |