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authorChristian Persch <chpe@cvs.gnome.org>2005-07-09 06:07:14 +0800
committerChristian Persch <chpe@src.gnome.org>2005-07-09 06:07:14 +0800
commit58c02748cef964cc8ae3cc4491b60b2a0ab347a5 (patch)
tree2ce936bafcdb1a2aa6452514780f2bdc1ca730e9 /embed/mozilla
parent8fccec0d3da3a35d55ee131cc5699cf95c774c51 (diff)
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Error pages implementation.
2005-07-09 Christian Persch <chpe@cvs.gnome.org> * data/default-prefs-gecko-1-8.js: * embed/mozilla/EphyProtocolHandler.cpp: * embed/mozilla/EphyProtocolHandler.h: Error pages implementation.
Diffstat (limited to 'embed/mozilla')
-rw-r--r--embed/mozilla/EphyProtocolHandler.cpp376
-rw-r--r--embed/mozilla/EphyProtocolHandler.h8
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 */