summaryrefslogtreecommitdiffstats
path: root/toolkit/modules/UpdateUtils.jsm
blob: 397f7e33a814995d9bce4bdf1772ce0c82ee47a9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
/* 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/. */

#filter substitution
#if !MOZ_PKG_SPECIAL
#define MOZ_PKG_SPECIAL false
#endif

this.EXPORTED_SYMBOLS = ["UpdateUtils"];

const { classes: Cc, interfaces: Ci, utils: Cu } = Components;

Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://gre/modules/NetUtil.jsm");
Cu.import("resource://gre/modules/Preferences.jsm");
Cu.import("resource://gre/modules/ctypes.jsm");

const FILE_UPDATE_LOCALE                  = "update.locale";
const PREF_APP_DISTRIBUTION               = "distribution.id";
const PREF_APP_DISTRIBUTION_VERSION       = "distribution.version";
const PREF_APP_B2G_VERSION                = "b2g.version";
const PREF_APP_UPDATE_CUSTOM              = "app.update.custom";
const PREF_APP_UPDATE_IMEI_HASH           = "app.update.imei_hash";


this.UpdateUtils = {
  /**
   * Read the update channel from defaults only.  We do this to ensure that
   * the channel is tightly coupled with the application and does not apply
   * to other instances of the application that may use the same profile.
   *
   * @param [optional] aIncludePartners
   *        Whether or not to include the partner bits. Default: true.
   */
  getUpdateChannel(aIncludePartners = true) {
    let defaults = Services.prefs.getDefaultBranch(null);
#expand    let channel = defaults.getCharPref("app.update.channel", "__MOZ_UPDATE_CHANNEL__");

    if (aIncludePartners) {
      try {
        let partners = Services.prefs.getChildList("app.partner.").sort();
        if (partners.length) {
          channel += "-cck";
          partners.forEach(function (prefName) {
            channel += "-" + Services.prefs.getCharPref(prefName);
          });
        }
      } catch (e) {
        Cu.reportError(e);
      }
    }

    return channel;
  },

  get UpdateChannel() {
    return this.getUpdateChannel();
  },

  /**
   * Formats a URL by replacing %...% values with OS, build and locale specific
   * values.
   *
   * @param  url
   *         The URL to format.
   * @return The formatted URL.
   */
  formatUpdateURL(url) {
    url = url.replace(/%ID%/g, Services.appinfo.ID);
    url = url.replace(/%PRODUCT%/g, Services.appinfo.name);
    url = url.replace(/%VERSION%/g, Services.appinfo.version);
    url = url.replace(/%BUILD_ID%/g, Services.appinfo.appBuildID);
    url = url.replace(/%BUILD_TARGET%/g, Services.appinfo.OS + "_" + this.ABI);
    url = url.replace(/%BUILD_SPECIAL%/g, "@MOZ_PKG_SPECIAL@");
    url = url.replace(/%OS_VERSION%/g, this.OSVersion);
    url = url.replace(/%WIDGET_TOOLKIT%/g, "@MOZ_WIDGET_TOOLKIT@");
    url = url.replace(/%CHANNEL%/g, this.UpdateChannel);

    if (/%LOCALE%/.test(url)) {
      url = url.replace(/%LOCALE%/g, this.Locale);
    }

    url = url.replace(/%CUSTOM%/g, Preferences.get(PREF_APP_UPDATE_CUSTOM, ""));
    url = url.replace(/\+/g, "%2B");

    url = url.replace(/%SYSTEM_CAPABILITIES%/g, gSystemCapabilities);
    url = url.replace(/%PLATFORM_VERSION%/g, Services.appinfo.platformVersion);
    url = url.replace(/%DISTRIBUTION%/g,
                      getDistributionPrefValue(PREF_APP_DISTRIBUTION));
    url = url.replace(/%DISTRIBUTION_VERSION%/g,
                      getDistributionPrefValue(PREF_APP_DISTRIBUTION_VERSION));

    return url;
  }
};

/* Get the distribution pref values, from defaults only */
function getDistributionPrefValue(aPrefName) {
  return prefValue = Services.prefs.getDefaultBranch(null).getCharPref(aPrefName, "default");
}

/**
 * Gets the locale from the update.locale file for replacing %LOCALE% in the
 * update url. The update.locale file can be located in the application
 * directory or the GRE directory with preference given to it being located in
 * the application directory.
 */
XPCOMUtils.defineLazyGetter(UpdateUtils, "Locale", function() {
  let channel;
  let locale;
  for (let res of ['app', 'gre']) {
    channel = NetUtil.newChannel({
      uri: "resource://" + res + "/" + FILE_UPDATE_LOCALE,
      contentPolicyType: Ci.nsIContentPolicy.TYPE_INTERNAL_XMLHTTPREQUEST,
      loadUsingSystemPrincipal: true
    });
    try {
      let inputStream = channel.open2();
      locale = NetUtil.readInputStreamToString(inputStream, inputStream.available());
    } catch (e) {}
    if (locale)
      return locale.trim();
  }

  Cu.reportError(FILE_UPDATE_LOCALE + " file doesn't exist in either the " +
                 "application or GRE directories");

  return null;
});

/**
 * Provides adhoc system capability information for application update.
 */
XPCOMUtils.defineLazyGetter(this, "gSystemCapabilities", function aus_gSC() {
#ifdef XP_WIN
  const PF_MMX_INSTRUCTIONS_AVAILABLE = 3; // MMX
  const PF_XMMI_INSTRUCTIONS_AVAILABLE = 6; // SSE
  const PF_XMMI64_INSTRUCTIONS_AVAILABLE = 10; // SSE2
  const PF_SSE3_INSTRUCTIONS_AVAILABLE = 13; // SSE3

  let lib = ctypes.open("kernel32.dll");
  let IsProcessorFeaturePresent = lib.declare("IsProcessorFeaturePresent",
                                              ctypes.winapi_abi,
                                              ctypes.int32_t, /* success */
                                              ctypes.uint32_t); /* DWORD */
  let instructionSet = "unknown";
  try {
    if (IsProcessorFeaturePresent(PF_SSE3_INSTRUCTIONS_AVAILABLE)) {
      instructionSet = "SSE3";
    } else if (IsProcessorFeaturePresent(PF_XMMI64_INSTRUCTIONS_AVAILABLE)) {
      instructionSet = "SSE2";
    } else if (IsProcessorFeaturePresent(PF_XMMI_INSTRUCTIONS_AVAILABLE)) {
      instructionSet = "SSE";
    } else if (IsProcessorFeaturePresent(PF_MMX_INSTRUCTIONS_AVAILABLE)) {
      instructionSet = "MMX";
    }
  } catch (e) {
    instructionSet = "error";
    Cu.reportError("Error getting processor instruction set. " +
                   "Exception: " + e);
  }

  lib.close();
  return instructionSet;
#else
  return "NA"
#endif
});

#ifdef XP_WIN
/* Windows only getter that returns the processor architecture. */
XPCOMUtils.defineLazyGetter(this, "gWinCPUArch", function aus_gWinCPUArch() {
  // Get processor architecture
  let arch = "unknown";

  const WORD = ctypes.uint16_t;
  const DWORD = ctypes.uint32_t;

  // This structure is described at:
  // http://msdn.microsoft.com/en-us/library/ms724958%28v=vs.85%29.aspx
  const SYSTEM_INFO = new ctypes.StructType('SYSTEM_INFO',
      [
      {wProcessorArchitecture: WORD},
      {wReserved: WORD},
      {dwPageSize: DWORD},
      {lpMinimumApplicationAddress: ctypes.voidptr_t},
      {lpMaximumApplicationAddress: ctypes.voidptr_t},
      {dwActiveProcessorMask: DWORD.ptr},
      {dwNumberOfProcessors: DWORD},
      {dwProcessorType: DWORD},
      {dwAllocationGranularity: DWORD},
      {wProcessorLevel: WORD},
      {wProcessorRevision: WORD}
      ]);

  let kernel32 = false;
  try {
    kernel32 = ctypes.open("Kernel32");
  } catch (e) {
    Cu.reportError("Unable to open kernel32! Exception: " + e);
  }

  if (kernel32) {
    try {
      let GetNativeSystemInfo = kernel32.declare("GetNativeSystemInfo",
                                                 ctypes.default_abi,
                                                 ctypes.void_t,
                                                 SYSTEM_INFO.ptr);
      let winSystemInfo = SYSTEM_INFO();
      // Default to unknown
      winSystemInfo.wProcessorArchitecture = 0xffff;

      GetNativeSystemInfo(winSystemInfo.address());
      switch (winSystemInfo.wProcessorArchitecture) {
        case 9:
          arch = "x64";
          break;
        case 6:
          arch = "IA64";
          break;
        case 0:
          arch = "x86";
          break;
      }
    } catch (e) {
      Cu.reportError("Error getting processor architecture. " +
                     "Exception: " + e);
    } finally {
      kernel32.close();
    }
  }

  return arch;
});
#endif

XPCOMUtils.defineLazyGetter(UpdateUtils, "ABI", function() {
  let abi = null;
  try {
    abi = Services.appinfo.XPCOMABI;
  }
  catch (e) {
    Cu.reportError("XPCOM ABI unknown");
  }

#ifdef XP_MACOSX
  // Mac universal build should report a different ABI than either macppc
  // or mactel.
  let macutils = Cc["@mozilla.org/xpcom/mac-utils;1"].
                 getService(Ci.nsIMacUtils);

  if (macutils.isUniversalBinary) {
    abi += "-u-" + macutils.architecturesInBinary;
  }
#endif

  return abi;
});

XPCOMUtils.defineLazyGetter(UpdateUtils, "OSVersion", function() {
  let osVersion;
  try {
    osVersion = Services.sysinfo.getProperty("name") + " " +
                Services.sysinfo.getProperty("version");
  }
  catch (e) {
    Cu.reportError("OS Version unknown.");
  }

#ifdef XP_WIN
  if (osVersion) {
    const BYTE = ctypes.uint8_t;
    const WORD = ctypes.uint16_t;
    const DWORD = ctypes.uint32_t;
    const WCHAR = ctypes.char16_t;
    const BOOL = ctypes.int;

    // This structure is described at:
    // http://msdn.microsoft.com/en-us/library/ms724833%28v=vs.85%29.aspx
    const SZCSDVERSIONLENGTH = 128;
    const OSVERSIONINFOEXW = new ctypes.StructType('OSVERSIONINFOEXW',
        [
        {dwOSVersionInfoSize: DWORD},
        {dwMajorVersion: DWORD},
        {dwMinorVersion: DWORD},
        {dwBuildNumber: DWORD},
        {dwPlatformId: DWORD},
        {szCSDVersion: ctypes.ArrayType(WCHAR, SZCSDVERSIONLENGTH)},
        {wServicePackMajor: WORD},
        {wServicePackMinor: WORD},
        {wSuiteMask: WORD},
        {wProductType: BYTE},
        {wReserved: BYTE}
        ]);

    // This structure is described at:
    // http://msdn.microsoft.com/en-us/library/ms724958%28v=vs.85%29.aspx
    const SYSTEM_INFO = new ctypes.StructType('SYSTEM_INFO',
        [
        {wProcessorArchitecture: WORD},
        {wReserved: WORD},
        {dwPageSize: DWORD},
        {lpMinimumApplicationAddress: ctypes.voidptr_t},
        {lpMaximumApplicationAddress: ctypes.voidptr_t},
        {dwActiveProcessorMask: DWORD.ptr},
        {dwNumberOfProcessors: DWORD},
        {dwProcessorType: DWORD},
        {dwAllocationGranularity: DWORD},
        {wProcessorLevel: WORD},
        {wProcessorRevision: WORD}
        ]);

    let kernel32 = false;
    try {
      kernel32 = ctypes.open("Kernel32");
    } catch (e) {
      Cu.reportError("Unable to open kernel32! " + e);
      osVersion += ".unknown (unknown)";
    }

    if (kernel32) {
      try {
        // Get Service pack info
        try {
          let GetVersionEx = kernel32.declare("GetVersionExW",
                                              ctypes.default_abi,
                                              BOOL,
                                              OSVERSIONINFOEXW.ptr);
          let winVer = OSVERSIONINFOEXW();
          winVer.dwOSVersionInfoSize = OSVERSIONINFOEXW.size;

          if (0 !== GetVersionEx(winVer.address())) {
            osVersion += "." + winVer.wServicePackMajor +
                         "." + winVer.wServicePackMinor;
          } else {
            Cu.reportError("Unknown failure in GetVersionEX (returned 0)");
            osVersion += ".unknown";
          }
        } catch (e) {
          Cu.reportError("Error getting service pack information. Exception: " + e);
          osVersion += ".unknown";
        }
      } finally {
        kernel32.close();
      }

      // Add processor architecture
      osVersion += " (" + gWinCPUArch + ")";
    }
  }

  try {
    osVersion += " (" + Services.sysinfo.getProperty("secondaryLibrary") + ")";
  }
  catch (e) {
    // Not all platforms have a secondary widget library, so an error is nothing to worry about.
  }
  osVersion = encodeURIComponent(osVersion);
#endif

  return osVersion;
});