embed/mozilla/.svn/text-base/EphyAboutModule.cpp.svn-base

   1 /*
   2  *  Copyright © 2001 Matt Aubury, Philip Langdale
   3  *  Copyright © 2004 Crispin Flowerday
   4  *  Copyright © 2005 Christian Persch
   5  *  Copyright © 2005 Adam Hooper
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 2, or (at your option)
  10  *  any later version.
  11  *
  12  *  This program is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with this program; if not, write to the Free Software
  19  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  20  *
  21  *  $Id$
  22  */
  23
  24 #include "mozilla-config.h"
  25 #include "config.h"
  26
  27 #include <string.h>
  28
  29 #include <glib/gi18n.h>
  30 #include <gtk/gtk.h>
  31
  32 // we need nsEscape which depends on internal strings :(((
  33 #define MOZILLA_INTERNAL_API 1
  34 #include <nsString.h>
  35
  36 #include <nsAutoPtr.h>
  37 #include <nsCOMPtr.h>
  38 #include <nsEscape.h>
  39 #include <nsIChannel.h>
  40 #include <nsIInputStreamChannel.h>
  41 #include <nsIInputStream.h>
  42 #include <nsIIOService.h>
  43 #include <nsIOutputStream.h>
  44 #include <nsIScriptSecurityManager.h>
  45 #include <nsIStorageStream.h>
  46 #include <nsIURI.h>
  47 #include <nsNetCID.h>
  48 #include <nsNetUtil.h>
  49 #include <nsServiceManagerUtils.h>
  50
  51 #include "ephy-debug.h"
  52
  53 #include "EphyRedirectChannel.h"
  54
  55 #include "EphyAboutModule.h"
  56
  57 EphyAboutModule::EphyAboutModule()
  58 {
  59         LOG ("EphyAboutModule ctor [%p]\n", this);
  60 }
  61
  62 EphyAboutModule::~EphyAboutModule()
  63 {
  64         LOG ("EphyAboutModule dtor [%p]\n", this);
  65 }
  66
  67 NS_IMPL_ISUPPORTS1 (EphyAboutModule, nsIAboutModule)
  68
  69 /* nsIChannel newChannel (in nsIURI aURI); */
  70 NS_IMETHODIMP
  71 EphyAboutModule::NewChannel(nsIURI *aURI,
  72                             nsIChannel **_retval)
  73 {
  74         NS_ENSURE_ARG(aURI);
  75
  76         nsCAutoString path;
  77         aURI->GetPath (path);
  78
  79         if (strncmp (path.get(), "neterror?", strlen ("neterror?")) == 0)
  80         {
  81                 return CreateErrorPage (aURI, _retval);
  82         }
  83
  84         if (strncmp (path.get (), "recover?", strlen ("recover?")) == 0)
  85         {
  86                 return CreateRecoverPage (aURI, _retval);
  87         }
  88
  89         if (strcmp (path.get (), "epiphany") == 0)
  90         {
  91                 return Redirect (nsDependentCString ("file://" SHARE_DIR "/epiphany.xhtml"), _retval);
  92         }
  93
  94         return NS_ERROR_ILLEGAL_VALUE;
  95 }
  96
  97 #ifdef HAVE_GECKO_1_9
  98 /* unsigned long getURIFlags(in nsIURI aURI); */
  99 NS_IMETHODIMP
 100 EphyAboutModule::GetURIFlags (nsIURI *aURI,
 101                               PRUint32 *_result)
 102 {
 103         *_result = 0;
 104         return NS_OK;
 105 }
 106 #endif
 107
 108 /* private functions */
 109
 110 nsresult
 111 EphyAboutModule::Redirect(const nsACString &aURL,
 112                           nsIChannel **_retval)
 113 {
 114         *_retval = nsnull;
 115
 116         nsresult rv;
 117         nsCOMPtr<nsIURI> uri;
 118         rv = NS_NewURI (getter_AddRefs (uri), aURL);
 119         NS_ENSURE_SUCCESS (rv, rv);
 120
 121         nsCOMPtr<nsIChannel> tempChannel;
 122         rv = NS_NewChannel (getter_AddRefs (tempChannel), uri);
 123         NS_ENSURE_SUCCESS (rv, rv);
 124
 125         tempChannel->SetOriginalURI (uri);
 126
 127         nsCOMPtr<nsIScriptSecurityManager> securityManager =
 128                         do_GetService(NS_SCRIPTSECURITYMANAGER_CONTRACTID, &rv);
 129         NS_ENSURE_SUCCESS (rv, rv);
 130
 131         nsCOMPtr<nsIPrincipal> principal;
 132         rv = securityManager->GetCodebasePrincipal(uri, getter_AddRefs(principal));
 133         NS_ENSURE_SUCCESS (rv, rv);
 134
 135         rv = tempChannel->SetOwner(principal);
 136         NS_ENSURE_SUCCESS (rv, rv);
 137
 138         tempChannel.swap (*_retval);
 139
 140         return NS_OK;
 141 }
 142
 143 nsresult
 144 EphyAboutModule::ParseURL(const char *aURL,
 145                           nsACString &aCode,
 146                           nsACString &aRawOriginURL,
 147                           nsACString &aOriginURL,
 148                           nsACString &aOriginCharset,
 149                           nsACString &aTitle)
 150 {
 151         /* The page URL is of the form "about:neterror?e=<errorcode>&u=<URL>&c=<charset>&d=<description>" */
 152         const char *query = strstr (aURL, "?");
 153         if (!query) return NS_ERROR_FAILURE;
 154
 155         /* skip the '?' */
 156         ++query;
 157
 158         char **params = g_strsplit (query, "&", -1);
 159         if (!params) return NS_ERROR_FAILURE;
 160
 161         for (PRUint32 i = 0; params[i] != NULL; ++i)
 162         {
 163                 char *param = params[i];
 164
 165                 if (strlen (param) <= 2) continue;
 166
 167                 switch (param[0])
 168                 {
 169                         case 'e':
 170                                 aCode.Assign (nsUnescape (param + 2));
 171                                 break;
 172                         case 'u':
 173                                 aRawOriginURL.Assign (param + 2);
 174                                 aOriginURL.Assign (nsUnescape (param + 2));
 175                                 break;
 176                         case 'c':
 177                                 aOriginCharset.Assign (nsUnescape (param + 2));
 178                                 break;
 179                         /* The next one is not used in neterror but recover: */
 180                         case 't':
 181                                 aTitle.Assign (nsUnescape (param + 2));
 182                                 break;
 183                         case 'd':
 184                                 /* we don't need mozilla's description parameter */
 185                         default:
 186                                 break;
 187                 }
 188         }
 189
 190         g_strfreev (params);
 191
 192         return NS_OK;
 193 }
 194
 195 nsresult
 196 EphyAboutModule::GetErrorMessage(nsIURI *aURI,
 197                                  const char *aError,
 198                                  char **aStockIcon,
 199                                  char **aTitle,
 200                                  char **aPrimary,
 201                                  char **aSecondary,
 202                                  char **aTertiary,
 203                                  char **aLinkIntro)
 204 {
 205         *aStockIcon = GTK_STOCK_DIALOG_ERROR;
 206
 207         if (strcmp (aError, "protocolNotFound") == 0)
 208         {
 209                 nsCAutoString scheme;
 210                 aURI->GetScheme (scheme);
 211
 212                 /* Translators: %s is the name of a protocol, like "http" etc. */
 213                 *aTitle = g_strdup_printf (_("“%s” Protocol is not Supported"), scheme.get());
 214                 /* Translators: %s is the name of a protocol, like "http" etc. */
 215                 *aPrimary = g_strdup_printf (_("“%s” protocol is not supported."), scheme.get());
 216                 /* FIXME: get the list of supported protocols from necko */
 217                 *aSecondary = g_strdup (_("Supported protocols are “http”, “https”, “ftp”, “file”, “smb” "
 218                                           "and “sftp”."));
 219         }
 220         else if (strcmp (aError, "fileNotFound") == 0)
 221         {
 222                 nsCAutoString path;
 223                 aURI->GetPath (path);
 224
 225                 /* Translators: %s is the path and filename, for example "/home/user/test.html" */
 226                 *aTitle = g_markup_printf_escaped (_("File “%s” not Found"), path.get());
 227                 /* Translators: %s is the path and filename, for example "/home/user/test.html" */
 228                 *aPrimary = g_markup_printf_escaped (_("File “%s” not found."), path.get());
 229                 *aSecondary = g_strdup (_("Check the location of the file and try again."));
 230         }
 231         else if (strcmp (aError, "dnsNotFound") == 0)
 232         {
 233                 nsCAutoString host;
 234                 aURI->GetHost (host);
 235
 236                 /* Translators: %s is the hostname, like "www.example.com" */
 237                 *aTitle = g_markup_printf_escaped (_("“%s” Could not be Found"),
 238                                                      host.get());
 239                 /* Translators: %s is the hostname, like "www.example.com" */
 240                 *aPrimary = g_markup_printf_escaped (_("“%s” could not be found."),
 241                                                      host.get());
 242                 *aSecondary = g_strdup (_("Check that you are connected to the internet, and "
 243                                           "that the address is correct."));
 244                 *aLinkIntro = _("If this page used to exist, you may find an archived version:");
 245         }
 246         else if (strcmp (aError, "connectionFailure") == 0)
 247         {
 248                 nsCAutoString host;
 249                 aURI->GetHost (host);
 250
 251                 /* Translators: %s is the hostname, like "www.example.com" */
 252                 *aTitle = g_markup_printf_escaped
 253                         (_("“%s” Refused the Connection"),
 254                          host.get());
 255                 /* Translators: %s is the hostname, like "www.example.com" */
 256                 *aPrimary = g_markup_printf_escaped
 257                                 (_("“%s” refused the connection."),
 258                                  host.get());
 259
 260                 /* FIXME what about 127.0.0.* ? */
 261                 if (strcmp (host.get(), "localhost") == 0)
 262                 {
 263                         PRInt32 port;
 264                         aURI->GetPort (&port);
 265
 266                         *aSecondary = g_strdup (_("Likely causes of the problem are"));
 267
 268                         /* Try to get the service name attached to that port */
 269                         if (port != -1)
 270                         {
 271                                 struct servent *serv;
 272
 273                                 if ((serv = getservbyport (htons (port), NULL)) != NULL)
 274                                 {
 275                                         *aTertiary = g_markup_printf_escaped (
 276                                                         _("<ul>"
 277                                                            "<li>the service ""%s"" isn't started.</li>"
 278                                                            "Try to start it using the Services Configuration Tool in "
 279                                                            "System > Control Center, or</ul>"
 280                                                            "<ul><li>the port number %d is wrong.</li>"
 281                                                            "</ul>"),
 282                                                         serv->s_name, port);
 283                                 }
 284                                 else
 285                                 {
 286                                         *aTertiary = g_markup_printf_escaped (
 287                                                         _("<ul>"
 288                                                            "<li>some service isn't started, or</li>"
 289                                                            "<li>the port number %d is wrong.</li>"
 290                                                            "</ul>"),
 291                                                         port);
 292                                 }
 293                         }
 294                         else
 295                         {
 296                                 *aTertiary = _("<ul>"
 297                                                "<li>some service isn't started, or</li>"
 298                                                "<li>you got the port number wrong.</li>"
 299                                                "</ul>");
 300                         }
 301                 }
 302                 else
 303                 {
 304                         *aSecondary = g_strdup (_("The server may be busy or you may have a "
 305                                                   "network connection problem. Try again later."));
 306                         *aLinkIntro = _("There may be an old version of the page you wanted:");
 307                 }
 308         }
 309         else if (strcmp (aError, "netInterrupt") == 0)
 310         {
 311                 nsCAutoString host;
 312                 aURI->GetHost (host);
 313
 314                 /* Translators: %s is the hostname, like "www.example.com" */
 315                 *aTitle = g_markup_printf_escaped
 316                                 (_("“%s” Interrupted the Connection"),
 317                                  host.get());
 318                 /* Translators: %s is the hostname, like "www.example.com" */
 319                 *aPrimary = g_markup_printf_escaped
 320                                 (_("“%s” interrupted the connection."),
 321                                  host.get());
 322                 *aSecondary = g_strdup (_("The server may be busy or you may have a "
 323                                           "network connection problem. Try again later."));
 324                 *aLinkIntro = _("There may be an old version of the page you wanted:");
 325         }
 326         else if (strcmp (aError, "netTimeout") == 0)
 327         {
 328                 nsCAutoString host;
 329                 aURI->GetHost (host);
 330
 331                 /* Translators: %s is the hostname, like "www.example.com" */
 332                 *aTitle = g_markup_printf_escaped
 333                                 (_("“%s” is not Responding"),
 334                                  host.get());
 335                 /* Translators: %s is the hostname, like "www.example.com" */
 336                 *aPrimary = g_markup_printf_escaped
 337                                 (_("“%s” is not responding."),
 338                                  host.get());
 339                 *aSecondary = g_strdup (_("The connection was lost because the "
 340                                           "server took too long to respond."));
 341                 *aTertiary = _("The server may be busy or you may have a network "
 342                                 "connection problem. Try again later.");
 343                 *aLinkIntro = _("There may be an old version of the page you wanted:");
 344         }
 345         else if (strcmp (aError, "malformedURI") == 0)
 346         {
 347                 *aTitle = g_strdup (_("Invalid Address"));
 348                 *aPrimary = g_strdup (_("Invalid address."));
 349                 *aSecondary = g_strdup (_("The address you entered is not valid."));
 350         }
 351         else if (strcmp (aError, "redirectLoop") == 0)
 352         {
 353                 nsCAutoString host;
 354                 aURI->GetHost (host);
 355
 356                 /* Translators: %s is the hostname, like "www.example.com" */
 357                 *aTitle = g_markup_printf_escaped
 358                                 (_("“%s” Redirected Too Many Times"),
 359                                  host.get());
 360                 /* Translators: %s is the hostname, like "www.example.com" */
 361                 *aPrimary = g_strdup (_("This page cannot load because of a problem with the Web site."));
 362
 363                 *aSecondary = g_markup_printf_escaped
 364                                 (_("The server “%s” is redirecting in a way that will never complete."),
 365                                  host.get());
 366                 *aLinkIntro = _("There may be an old version of the page you wanted:");
 367         }
 368         else if (strcmp (aError, "unknownSocketType") == 0)
 369         {
 370                 nsCAutoString host;
 371                 aURI->GetHost (host);
 372
 373                 /* Translators: %s is the hostname, like "www.example.com" */
 374                 *aTitle = g_markup_printf_escaped
 375                                 (_("“%s” Requires an Encrypted Connection"),
 376                                  host.get());
 377                 /* Translators: %s is the hostname, like "www.example.com" */
 378                 *aPrimary = g_markup_printf_escaped
 379                                 (_("“%s” requires an encrypted connection."),
 380                                  host.get());
 381                 *aSecondary = g_strdup (_("The document could not be loaded because "
 382                                           "encryption support is not installed."));
 383         }
 384         else if (strcmp (aError, "netReset") == 0)
 385         {
 386                 nsCAutoString host;
 387                 aURI->GetHost (host);
 388
 389                 /* Translators: %s is the hostname, like "www.example.com" */
 390                 *aTitle = g_markup_printf_escaped
 391                                 (_("“%s” Dropped the Connection"),
 392                                  host.get());
 393                 /* Translators: %s is the hostname, like "www.example.com" */
 394                 *aPrimary = g_markup_printf_escaped
 395                                 (_("“%s” dropped the connection."),
 396                                  host.get());
 397                 *aSecondary = g_strdup (_("The server dropped the connection "
 398                                           "before any data could be read."));
 399                 *aTertiary = _("The server may be busy or you may have a "
 400                                "network connection problem. Try again later.");
 401                 *aLinkIntro = _("There may be an old version of the page you wanted:");
 402         }
 403         else if (strcmp (aError, "netOffline") == 0)
 404         {
 405                 /* Error is a bit too strong here */
 406                 *aStockIcon = GTK_STOCK_DIALOG_INFO;
 407
 408                 *aTitle = g_strdup (_("Cannot Load Document Whilst Working Offline"));
 409                 *aPrimary = g_strdup (_("Cannot load document whilst working offline."));
 410                 *aSecondary = g_strdup (_("To view this document, disable “Work Offline” and try again."));
 411         }
 412         else if (strcmp (aError, "deniedPortAccess") == 0)
 413         {
 414                 nsCAutoString host;
 415                 aURI->GetHost (host);
 416
 417                 PRInt32 port = -1;
 418                 aURI->GetPort (&port);
 419
 420                 /* Translators: %s is the hostname, like "www.example.com" */
 421                 *aTitle = g_markup_printf_escaped
 422                                 (_("“%s” Denied Access to Port “%d”"),
 423                                  host.get(), port > 0 ? port : 80);
 424                 /* Translators: %s is the hostname, like "www.example.com" */
 425                 *aPrimary = g_markup_printf_escaped
 426                                 (_("“%s” denied access to port “%d”."),
 427                                  host.get(), port > 0 ? port : 80);
 428                 *aSecondary = g_strdup (_("The server dropped the connection "
 429                                           "before any data could be read."));
 430                 *aTertiary = _("The server may be busy or you may have a "
 431                                "network connection problem. Try again later.");
 432                 *aLinkIntro = _("There may be an old version of the page you wanted:");
 433         }
 434         else if (strcmp (aError, "proxyResolveFailure") == 0 ||
 435                  strcmp (aError, "proxyConnectFailure") == 0)
 436         {
 437                 *aTitle = g_strdup (_("Could not Connect to Proxy Server"));
 438                 *aPrimary = g_strdup (_("Could not connect to proxy server."));
 439                 *aSecondary = g_strdup (_("Check your proxy server settings. "
 440                                           "If the connection still fails, there may be "
 441                                           "a problem with your proxy server or your "
 442                                           "network connection."));
 443         }
 444         /* This was introduced in gecko 1.9 */
 445         else if (strcmp (aError, "contentEncodingError") == 0)
 446         {
 447                 *aTitle = g_strdup (_("Could not Display Content"));
 448                 *aPrimary = g_strdup (_("Could not display content."));
 449                 *aSecondary = g_strdup (_("The page uses an unsupported or invalid form of compression."));
 450         }
 451         else
 452         {
 453                 return NS_ERROR_ILLEGAL_VALUE;
 454         }
 455
 456         return NS_OK;
 457 }
 458
 459 nsresult
 460 EphyAboutModule::CreateErrorPage(nsIURI *aErrorURI,
 461                                  nsIChannel **_retval)
 462 {
 463         *_retval = nsnull;
 464
 465         /* First parse the arguments */
 466         nsresult rv;
 467         nsCAutoString spec;
 468         rv = aErrorURI->GetSpec (spec);
 469         NS_ENSURE_TRUE (NS_SUCCEEDED (rv), rv);
 470
 471         nsCAutoString error, rawurl, url, charset, dummy;
 472         rv = ParseURL (spec.get (), error, rawurl, url, charset, dummy);
 473         if (NS_FAILED (rv)) return rv;
 474         if (error.IsEmpty () || rawurl.IsEmpty () || url.IsEmpty()) return NS_ERROR_FAILURE;
 475
 476         nsCOMPtr<nsIURI> uri;
 477         rv = NS_NewURI (getter_AddRefs (uri), url, charset.get());
 478         /* FIXME can uri be NULL if the original url was invalid? */
 479         NS_ENSURE_SUCCESS (rv, rv);
 480
 481         char *stock_id = nsnull, *title = nsnull, *primary = nsnull,
 482              *secondary = nsnull, *tertiary = nsnull, *linkintro = nsnull;
 483         rv = GetErrorMessage (uri, error.get(), &stock_id, &title, &primary,
 484                               &secondary, &tertiary, &linkintro);
 485
 486         /* we don't know about this error code.
 487          * FIXME: We'd like to forward to mozilla's about:neterror handler,
 488          * but I don't know how to. So just redirect to the same page that
 489          * mozilla's handler redirects to.
 490          */
 491         if (rv == NS_ERROR_ILLEGAL_VALUE)
 492         {
 493                 nsCAutoString newurl(spec);
 494
 495                 /* remove "about:neterror" part and insert mozilla's error page url */
 496                 newurl.Cut(0, strlen ("about:neterror"));
 497                 newurl.Insert("chrome://global/content/netError.xhtml", 0);
 498
 499                 return Redirect (newurl, _retval);
 500         }
 501         NS_ENSURE_SUCCESS (rv, rv);
 502         NS_ENSURE_TRUE (primary && secondary, NS_ERROR_FAILURE);
 503
 504         nsCOMPtr<nsIChannel> channel;
 505         rv = WritePage (aErrorURI, uri, aErrorURI, rawurl, title, stock_id, primary, secondary, tertiary, linkintro, getter_AddRefs (channel));
 506         NS_ENSURE_SUCCESS (rv, rv);
 507
 508         g_free (title);
 509         g_free (primary);
 510         g_free (secondary);
 511
 512         channel.swap (*_retval);
 513
 514         return NS_OK;
 515 }
 516
 517 nsresult
 518 EphyAboutModule::CreateRecoverPage(nsIURI *aRecoverURI,
 519                                    nsIChannel **_retval)
 520 {
 521         *_retval = nsnull;
 522
 523         /* First parse the arguments */
 524         nsresult rv;
 525         nsCAutoString spec;
 526         rv = aRecoverURI->GetSpec (spec);
 527         NS_ENSURE_TRUE (NS_SUCCEEDED (rv), rv);
 528
 529         nsCAutoString error, rawurl, url, charset, title;
 530         rv = ParseURL (spec.get (), error, rawurl, url, charset, title);
 531         if (NS_FAILED (rv)) return rv;
 532         if (rawurl.IsEmpty () || url.IsEmpty()) return NS_ERROR_FAILURE;
 533
 534         nsCOMPtr<nsIURI> uri;
 535         rv = NS_NewURI(getter_AddRefs (uri), url, charset.get());
 536         NS_ENSURE_SUCCESS (rv, rv);
 537
 538         char *secondary = g_markup_printf_escaped
 539                 (_("The page “%s” in this tab was not fully loaded yet when "
 540                    "the web browser crashed; it could have caused the crash."),
 541                  url.get());
 542
 543         nsCOMPtr<nsIChannel> channel;
 544         rv = WritePage (aRecoverURI, uri, uri, rawurl, title.get(),
 545                         GTK_STOCK_DIALOG_INFO, title.get() /* as primary */,
 546                         secondary, nsnull, nsnull, getter_AddRefs (channel));
 547         NS_ENSURE_SUCCESS (rv, rv);
 548
 549         nsRefPtr<EphyRedirectChannel> redirectChannel (new EphyRedirectChannel (channel));
 550         if (!redirectChannel) return NS_ERROR_OUT_OF_MEMORY;
 551
 552         g_free (secondary);
 553
 554         NS_ADDREF(*_retval = redirectChannel);
 555
 556         return NS_OK;
 557 }
 558
 559 nsresult
 560 EphyAboutModule::WritePage(nsIURI *aOriginalURI,
 561                            nsIURI *aURI,
 562                            nsIURI *aChannelURI,
 563                            const nsACString &aRawURL,
 564                            const char *aTitle,
 565                            const char *aStockIcon,
 566                            const char *aPrimary,
 567                            const char *aSecondary,
 568                            const char *aTertiary,
 569                            const char *aLinkIntro,
 570                            nsIChannel **_retval)
 571 {
 572         *_retval = nsnull;
 573
 574         nsresult rv;
 575         nsCOMPtr<nsIStorageStream> storageStream;
 576         rv = NS_NewStorageStream (16384, (PRUint32) -1, getter_AddRefs (storageStream));
 577         NS_ENSURE_SUCCESS (rv, rv);
 578
 579         nsCOMPtr<nsIOutputStream> stream;
 580         rv = storageStream->GetOutputStream (0, getter_AddRefs (stream));
 581         NS_ENSURE_SUCCESS (rv, rv);
 582
 583         char *language = g_strdup (pango_language_to_string (gtk_get_default_language ()));
 584         g_strdelimit (language, "_-@", '\0');
 585
 586         Write (stream,
 587                "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"
 588                "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\" "
 589                "\"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">\n"
 590                "<html xmlns=\"http://www.w3.org/1999/xhtml\" lang=\"");
 591         Write (stream, language);
 592         Write (stream,
 593                "\" xml:lang=\"");
 594         Write (stream, language);
 595         Write (stream,
 596                "\">\n"
 597                "<head>\n"
 598                 "<title>");
 599         Write (stream, aTitle);
 600         /* no favicon for now, it would pollute the favicon cache */
 601         /* "<link rel=\"icon\" type=\"image/png\" href=\"moz-icon://stock/gtk-dialog-error?size=16\" />\n" */
 602         Write (stream,
 603                 "</title>\n"
 604                 "<style type=\"text/css\">\n"
 605                 "div#body {\n"
 606                         "top: 12px;\n"
 607                         "right: 12px;\n"
 608                         "bottom: 12px;\n"
 609                         "left: 12px;\n"
 610                         "overflow: auto;\n"
 611
 612                         "background: -moz-dialog url('moz-icon://stock/");
 613         Write (stream, aStockIcon);
 614         Write (stream,
 615                         "?size=dialog') no-repeat 12px 12px;\n"
 616                         "color: -moz-dialogtext;\n"
 617                         "font: message-box;\n"
 618                         "border: 1px solid -moz-dialogtext;\n"
 619
 620                         "padding: 12px 12px 12px 72px;\n"
 621                 "}\n"
 622
 623                 "h1 {\n"
 624                         "margin: 0;\n"
 625                         "font-size: 1.2em;\n"
 626                 "}\n"
 627                 "</style>\n"
 628                "</head>\n"
 629                "<body dir=\"");
 630         Write (stream,
 631                gtk_widget_get_default_direction () == GTK_TEXT_DIR_RTL ? "rtl" : "ltr");
 632         Write (stream,
 633                "\">\n"
 634                 "<div id=\"body\">"
 635                 "<h1>");
 636         Write (stream, aPrimary);
 637         Write (stream,
 638                "</h1>\n");
 639         if (aSecondary)
 640         {
 641                 Write (stream, "<p>");
 642                 Write (stream, aSecondary);
 643                 if (aTertiary)
 644                 {
 645                         Write (stream, " ");
 646                         Write (stream, aTertiary);
 647                 }
 648                 Write (stream, "</p>\n");
 649         }
 650
 651         PRBool isHttp = PR_FALSE, isHttps = PR_FALSE;
 652         aURI->SchemeIs ("http", &isHttp);
 653         aURI->SchemeIs ("https", &isHttps);
 654         if (aLinkIntro && (isHttp || isHttps))
 655         {
 656                 nsCString raw(aRawURL);
 657
 658                 Write (stream, "<p>");
 659                 Write (stream, aLinkIntro);
 660                 Write (stream, "<ul>\n");
 661                 Write (stream, "<li><a href=\"http://www.google.com/search?q=cache:");
 662                 Write (stream, raw.get());
 663                 Write (stream, "\">");
 664                 /* Translators: The text before the "|" is context to help you decide on
 665                  * the correct translation. You MUST OMIT it in the translated string. */
 666                 Write (stream, Q_("You may find an old version:|in the Google Cache"));
 667                 Write (stream, "</a></li>\n");
 668
 669                 Write (stream, "<li><a href=\"http://web.archive.org/web/*/");
 670                 Write (stream, raw.get());
 671                 Write (stream, "\">");
 672                 /* Translators: The text before the "|" is context to help you decide on
 673                  * the correct translation. You MUST OMIT it in the translated string. */
 674                 Write (stream, Q_("You may find an old version:|in the Internet Archive"));
 675                 Write (stream, "</a></li>\n"
 676                                "</ul>\n"
 677                                "</p>");
 678         }
 679
 680         Write (stream,
 681                 "</div>\n"
 682                "</body>\n"
 683                "</html>\n");
 684
 685         g_free (language);
 686
 687         /* finish the rendering */
 688         nsCOMPtr<nsIInputStream> inputStream;
 689         rv = storageStream->NewInputStream (0, getter_AddRefs (inputStream));
 690         NS_ENSURE_SUCCESS (rv, rv);
 691
 692         nsCOMPtr<nsIChannel> channel;
 693         rv = NS_NewInputStreamChannel (getter_AddRefs (channel),
 694                                        aChannelURI,
 695                                        inputStream,
 696                                        NS_LITERAL_CSTRING ("application/xhtml+xml"),
 697                                        NS_LITERAL_CSTRING ("utf-8"));
 698         NS_ENSURE_SUCCESS (rv, rv);
 699
 700         rv = channel->SetOriginalURI (aOriginalURI);
 701         NS_ENSURE_SUCCESS (rv, rv);
 702
 703         nsCOMPtr<nsIScriptSecurityManager> securityManager
 704                 (do_GetService(NS_SCRIPTSECURITYMANAGER_CONTRACTID, &rv));
 705         NS_ENSURE_SUCCESS (rv, rv);
 706
 707         nsCOMPtr<nsIPrincipal> principal;
 708         rv = securityManager->GetCodebasePrincipal (aOriginalURI, getter_AddRefs (principal));
 709         NS_ENSURE_SUCCESS (rv, rv);
 710
 711         rv = channel->SetOwner(principal);
 712         NS_ENSURE_SUCCESS (rv, rv);
 713
 714         channel.swap (*_retval);
 715
 716         return NS_OK;
 717 }
 718
 719 nsresult
 720 EphyAboutModule::Write(nsIOutputStream *aStream,
 721                        const char *aText)
 722 {
 723         PRUint32 bytesWritten;
 724         return aStream->Write (aText, strlen (aText), &bytesWritten);
 725 }