diff options
Diffstat (limited to 'embed')
| -rw-r--r-- | embed/mozilla/EphyProtocolHandler.cpp | 376 | ||||
| -rw-r--r-- | embed/mozilla/EphyProtocolHandler.h | 8 |
2 files changed, 375 insertions, 9 deletions
diff --git a/embed/mozilla/EphyProtocolHandler.cpp b/embed/mozilla/EphyProtocolHandler.cpp index 5cb507865..db978cbb3 100644 --- a/embed/mozilla/EphyProtocolHandler.cpp +++ b/embed/mozilla/EphyProtocolHandler.cpp @@ -2,6 +2,7 @@ * 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 @@ -31,8 +32,6 @@ #include <nsIChannel.h> #include <nsIOutputStream.h> #include <nsIInputStream.h> -#include <nsILoadGroup.h> -#include <nsIInterfaceRequestor.h> #include <nsIStorageStream.h> #include <nsIInputStreamChannel.h> #include <nsIScriptSecurityManager.h> @@ -41,6 +40,7 @@ #include <nsEscape.h> #include <glib/gi18n.h> +#include <gtk/gtk.h> #include "EphyProtocolHandler.h" #include "EphyUtils.h" @@ -117,13 +117,11 @@ EphyProtocolHandler::NewChannel(nsIURI *aURI, { NS_ENSURE_ARG(aURI); -#if 0 PRBool isEpiphany = PR_FALSE; if (NS_SUCCEEDED (aURI->SchemeIs ("epiphany", &isEpiphany)) && isEpiphany) { return HandleEpiphany (aURI, _retval); } -#endif PRBool isAbout = PR_FALSE; if (NS_SUCCEEDED (aURI->SchemeIs ("about", &isAbout)) && isAbout) @@ -147,8 +145,8 @@ EphyProtocolHandler::AllowPort(PRInt32 port, /* private functions */ nsresult -EphyProtocolHandler::Redirect (const nsACString &aURL, - nsIChannel **_retval) +EphyProtocolHandler::Redirect(const nsACString &aURL, + nsIChannel **_retval) { nsresult rv; nsCOMPtr<nsIIOService> ioService; @@ -173,9 +171,371 @@ EphyProtocolHandler::Redirect (const nsACString &aURL, rv = securityManager->GetCodebasePrincipal(uri, getter_AddRefs(principal)); NS_ENSURE_SUCCESS (rv, rv); - nsCOMPtr<nsISupports> owner (do_QueryInterface(principal)); - rv = tempChannel->SetOwner(owner); + rv = tempChannel->SetOwner(principal); + NS_ENSURE_SUCCESS (rv, rv); NS_ADDREF(*_retval = tempChannel); return rv; } + +nsresult +EphyProtocolHandler::ParseErrorURL(const char *aURL, + nsACString &aError, + 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': + 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 +EphyProtocolHandler::GetErrorMessage(nsIURI *aURI, + const char *aError, + char **aPrimary, + char **aSecondary) +{ + if (strcmp (aError, "protocolNotFound") == 0) + { + nsCAutoString scheme; + aURI->GetScheme (scheme); + + *aPrimary = g_strdup (_("Unknown protocol")); + /* FIXME: get the list of supported protocols from necko */ + *aSecondary = g_strdup_printf (_("The \"%s\" protocol could not be recognised. " + "Epiphany supports \"http\", \"https\", \"ftp\", " + "\"smb\" and \"sftp\" protocols."), + scheme.get()); + } + else if (strcmp (aError, "fileNotFound") == 0) + { + nsCAutoString path; + aURI->GetPath (path); + + *aPrimary = g_strdup (_("File not found")); + *aSecondary = g_strdup_printf (_("The file \"%s\" could not be found. " + "Check the location of the file and try again."), + path.get()); + } + else if (strcmp (aError, "dnsNotFound") == 0) + { + nsCAutoString host; + aURI->GetHost (host); + + *aPrimary = g_strdup (_("Address not found")); + *aSecondary = g_strdup_printf (_("\"%s\" could not be found. " + "Check the address and try again."), + host.get()); + } + else if (strcmp (aError, "connectionFailure") == 0) + { + nsCAutoString hostport; + aURI->GetHostPort (hostport); + + *aPrimary = g_strdup_printf (_("Could not connect to \"%s\""), hostport.get()); + *aSecondary = g_strdup (_("The server refused the connection. " + "Check the address and port and try again.")); + } + else if (strcmp (aError, "netInterrupt") == 0) + { + nsCAutoString hostport; + aURI->GetHostPort (hostport); + + *aPrimary = g_strdup (_("Connection interrupted")); + *aSecondary = g_strdup_printf (_(" The connection to \"%s\" was interrupted. " + "The server may be very busy or you may have a " + "network connection problem."), + hostport.get()); + } + else if (strcmp (aError, "netTimeout") == 0) + { + nsCAutoString host; + aURI->GetHost (host); + + *aPrimary = g_strdup (_("Connection timed out")); + *aSecondary = g_strdup_printf (_("The connection to \"%s\" was lost because the " + "server took too long to respond. The server " + "may be very busy or you may have a network"), + host.get()); + } + 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) + { + *aPrimary = g_strdup (_("Too many redirects")); + *aSecondary = g_strdup_printf (_("The server redirected too many times. " + "The redirection has been stopped for " + "security reasons.")); + } + else if (strcmp (aError, "unknownSocketType") == 0) + { + *aPrimary = g_strdup (_("The document could not be loaded")); + *aSecondary = g_strdup (_("This document requires \"Personal " + "Security Manager\" to be installed.")); + } + else if (strcmp (aError, "netReset") == 0) + { + *aPrimary = g_strdup (_("Connection dropped by server")); + *aSecondary = g_strdup (_("Epiphany connected to the server, " + "but the server dropped the connection " + "before any data could be read.")); + } + else if (strcmp (aError, "netOffline") == 0) + { + *aPrimary = g_strdup (_("Cannot load document in offline mode")); + *aSecondary = g_strdup (_("This document cannot be viewed in offline " + "mode. Set Epiphany to \"online\" and try " + "again.")); + } + else if (strcmp (aError, "deniedPortAccess") == 0) + { + *aPrimary = g_strdup (_("FIXME")); + *aSecondary = g_strdup (_("FIXME")); + } + else if (strcmp (aError, "proxyResolveFailure") == 0 || + strcmp (aError, "proxyConnectFailure") == 0) + { + *aPrimary = g_strdup (_("Could not connect to proxy server")); + *aSecondary = g_strdup (_("Check you system wide proxy server settings. " + "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 +EphyProtocolHandler::HandleEpiphany(nsIURI *aErrorURI, + nsIChannel **_retval) +{ + NS_ENSURE_ARG (aErrorURI); + + nsCAutoString spec; + aErrorURI->GetSpec (spec); + + if (g_str_has_prefix (spec.get(), "epiphany:error?")) + { + return CreateErrorPage (aErrorURI, _retval); + } + + return NS_ERROR_ILLEGAL_VALUE; +} + +nsresult +EphyProtocolHandler::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, url, charset; + rv = ParseErrorURL (spec.get (), error, 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 = NULL, *secondary = NULL; + rv = GetErrorMessage (uri, error.get(), &primary, &secondary); + + /* we don't know about this error code; forward to mozilla's impl */ + if (rv == NS_ERROR_ILLEGAL_VALUE) + { + nsCAutoString url(spec); + + /* remove "epiphany:error" part and insert mozilla's error page url */ + url.Cut(0, strlen ("epiphany:error")); + 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>"); + WriteHTMLEscape (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" + "html {\n" + "background-color: white;\n" + "color: WindowText;\n" + "}\n" + + "body {\n" + "background-color: Window;\n" + "border: 1px solid black;\n" + "margin: 12px;\n" + "padding: 12px 12px 12px 72px;\n" + "}\n" + + "h1 {\n" + "margin: 0;\n" + "font-size: 1.2em;\n" + "font-weight: bold;\n" + "}\n" + + "div#img {\n" + "position: absolute;\n" + "top: 25px;\n" + "left: 25px;\n" + "}\n" + + "p {\n" + "margin: 1em 0 0;\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=\"img\"><img src=\"moz-icon://stock/gtk-dialog-error?size=dialog\" alt=\""); + + /* get alt text */ + GtkStockItem item; + if (gtk_stock_lookup (GTK_STOCK_DIALOG_ERROR, &item) && item.label) + { + WriteHTMLEscape (stream, item.label); + } + + Write (stream, + ")\" /></div>\n" + "<div id=\"text\">\n" + "<h1>"); + WriteHTMLEscape (stream, primary); + Write (stream, + "</h1>\n" + "<p>"); + WriteHTMLEscape (stream, secondary); + Write (stream, + "</p>\n" + "</div>\n" + "</body>\n" + "</html>\n"); + + g_free (language); + g_free (primary); + g_free (secondary); + + /* finish the rendering */ + nsCOMPtr<nsIInputStream> inputStream; + rv = storageStream->NewInputStream(0, getter_AddRefs (inputStream)); + NS_ENSURE_SUCCESS (rv, rv); + + nsCOMPtr<nsIInputStreamChannel> channel (do_CreateInstance (kInputStreamChannelCID, &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 +EphyProtocolHandler::Write(nsIOutputStream *aStream, + const char *aText) +{ + PRUint32 bytesWritten; + return aStream->Write (aText, strlen (aText), &bytesWritten); +} + +nsresult +EphyProtocolHandler::WriteHTMLEscape(nsIOutputStream *aStream, + const char *aText) +{ + char *text = g_markup_escape_text (aText, strlen (aText)); + nsresult rv = Write (aStream, text); + g_free (text); + + return rv; +} diff --git a/embed/mozilla/EphyProtocolHandler.h b/embed/mozilla/EphyProtocolHandler.h index 2fad9ac7b..f1eb0aac1 100644 --- a/embed/mozilla/EphyProtocolHandler.h +++ b/embed/mozilla/EphyProtocolHandler.h @@ -52,7 +52,13 @@ class EphyProtocolHandler : public nsIProtocolHandler, virtual ~EphyProtocolHandler(); private: - nsresult Redirect (const nsACString&, nsIChannel**); + nsresult Redirect(const nsACString&, nsIChannel**); + nsresult ParseErrorURL(const char*, nsACString&, nsACString&, nsACString&); + nsresult GetErrorMessage(nsIURI *, const char *, char **, char **); + nsresult HandleEpiphany(nsIURI*, nsIChannel **); + nsresult CreateErrorPage(nsIURI*, nsIChannel **); + nsresult Write(nsIOutputStream*, const char *); + nsresult WriteHTMLEscape(nsIOutputStream *, const char *); }; #endif /* EPHY_PROTOCOL_HANDLER_H */ |