1<!DOCTYPE html><!-- This page is a placeholder for generated extensions api doc. Note: 2 1) The <head> information in this page is significant, should be uniform 3 across api docs and should be edited only with knowledge of the 4 templating mechanism. 5 3) All <body>.innerHTML is genereated as an rendering step. If viewed in a 6 browser, it will be re-generated from the template, json schema and 7 authored overview content. 8 4) The <body>.innerHTML is also generated by an offline step so that this 9 page may easily be indexed by search engines. 10--><html xmlns="http://www.w3.org/1999/xhtml"><head> 11 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 12 <link href="css/ApiRefStyles.css" rel="stylesheet" type="text/css"> 13 <link href="css/print.css" rel="stylesheet" type="text/css" media="print"> 14 <script type="text/javascript" src="/third_party/jstemplate/jstemplate_compiled.js"> 15 </script> 16 <script type="text/javascript" src="js/api_page_generator.js"></script> 17 <script type="text/javascript" src="js/bootstrap.js"></script> 18 <script type="text/javascript" src="js/sidebar.js"></script> 19 <title>Hosting - Google Chrome Extensions - Google Code</title></head> 20 <body> <div id="gc-container" class="labs"> 21 <div id="devModeWarning"> 22 You are viewing extension docs in chrome via the 'file:' scheme: are you expecting to see local changes when you refresh? You'll need run chrome with --allow-file-access-from-files. 23 </div> 24 <!-- SUBTEMPLATES: DO NOT MOVE FROM THIS LOCATION --> 25 <!-- In particular, sub-templates that recurse, must be used by allowing 26 jstemplate to make a copy of the template in this section which 27 are not operated on by way of the jsskip="true" --> 28 <div style="display:none"> 29 30 <!-- VALUE --> 31 <div id="valueTemplate"> 32 <dt> 33 <var>paramName</var> 34 <em> 35 36 <!-- TYPE --> 37 <div style="display:inline"> 38 ( 39 <span class="optional">optional</span> 40 <span class="enum">enumerated</span> 41 <span id="typeTemplate"> 42 <span> 43 <a> Type</a> 44 </span> 45 <span> 46 <span> 47 array of <span><span></span></span> 48 </span> 49 <span>paramType</span> 50 <span></span> 51 </span> 52 </span> 53 ) 54 </div> 55 56 </em> 57 </dt> 58 <dd class="todo"> 59 Undocumented. 60 </dd> 61 <dd> 62 Description of this parameter from the json schema. 63 </dd> 64 <dd> 65 This parameter was added in version 66 <b><span></span></b>. 67 You must omit this parameter in earlier versions, 68 and you may omit it in any version. If you require this 69 parameter, the manifest key 70 <a href="manifest.html#minimum_chrome_version">minimum_chrome_version</a> 71 can ensure that your extension won't be run in an earlier browser version. 72 </dd> 73 74 <!-- OBJECT PROPERTIES --> 75 <dd> 76 <dl> 77 <div> 78 <div> 79 </div> 80 </div> 81 </dl> 82 </dd> 83 84 <!-- OBJECT METHODS --> 85 <dd> 86 <div></div> 87 </dd> 88 89 <!-- OBJECT EVENT FIELDS --> 90 <dd> 91 <div></div> 92 </dd> 93 94 <!-- FUNCTION PARAMETERS --> 95 <dd> 96 <div></div> 97 </dd> 98 99 </div> <!-- /VALUE --> 100 101 <div id="functionParametersTemplate"> 102 <h5>Parameters</h5> 103 <dl> 104 <div> 105 <div> 106 </div> 107 </div> 108 </dl> 109 </div> 110 </div> <!-- /SUBTEMPLATES --> 111 112 <a id="top"></a> 113 <div id="skipto"> 114 <a href="#gc-pagecontent">Skip to page content</a> 115 <a href="#gc-toc">Skip to main navigation</a> 116 </div> 117 <!-- API HEADER --> 118 <table id="header" width="100%" cellspacing="0" border="0"> 119 <tbody><tr> 120 <td valign="middle"><a href="http://code.google.com/"><img src="images/code_labs_logo.gif" height="43" width="161" alt="Google Code Labs" style="border:0; margin:0;"></a></td> 121 <td valign="middle" width="100%" style="padding-left:0.6em;"> 122 <form action="http://www.google.com/cse" id="cse" style="margin-top:0.5em"> 123 <div id="gsc-search-box"> 124 <input type="hidden" name="cx" value="002967670403910741006:61_cvzfqtno"> 125 <input type="hidden" name="ie" value="UTF-8"> 126 <input type="text" name="q" value="" size="55"> 127 <input class="gsc-search-button" type="submit" name="sa" value="Search"> 128 <br> 129 <span class="greytext">e.g. "page action" or "tabs"</span> 130 </div> 131 </form> 132 133 <script type="text/javascript" src="http://www.google.com/jsapi"></script> 134 <script type="text/javascript">google.load("elements", "1", {packages: "transliteration"});</script> 135 <script type="text/javascript" src="http://www.google.com/coop/cse/t13n?form=cse&t13n_langs=en"></script> 136 <script type="text/javascript" src="http://www.google.com/coop/cse/brand?form=cse&lang=en"></script> 137 </td> 138 </tr> 139 </tbody></table> 140 141 <div id="codesiteContent" class=""> 142 143 <a id="gc-topnav-anchor"></a> 144 <div id="gc-topnav"> 145 <h1>Google Chrome Extensions (<a href="http://code.google.com/labs/">Labs</a>)</h1> 146 <ul id="home" class="gc-topnav-tabs"> 147 <li id="home_link"> 148 <a href="index.html" title="Google Chrome Extensions home page">Home</a> 149 </li> 150 <li id="docs_link"> 151 <a href="docs.html" title="Official Google Chrome Extensions documentation">Docs</a> 152 </li> 153 <li id="faq_link"> 154 <a href="faq.html" title="Answers to frequently asked questions about Google Chrome Extensions">FAQ</a> 155 </li> 156 <li id="samples_link"> 157 <a href="samples.html" title="Sample extensions (with source code)">Samples</a> 158 </li> 159 <li id="group_link"> 160 <a href="http://groups.google.com/a/chromium.org/group/chromium-extensions" title="Google Chrome Extensions developer forum">Group</a> 161 </li> 162 </ul> 163 </div> <!-- end gc-topnav --> 164 165 <div class="g-section g-tpl-170"> 166 <!-- SIDENAV --> 167 <div class="g-unit g-first" id="gc-toc"> 168 <ul> 169 <li><a href="getstarted.html">Getting Started</a></li> 170 <li><a href="overview.html">Overview</a></li> 171 <li><a href="whats_new.html">What's New?</a></li> 172 <li><h2><a href="devguide.html">Developer's Guide</a></h2> 173 <ul> 174 <li>Browser UI 175 <ul> 176 <li><a href="browserAction.html">Browser Actions</a></li> 177 <li><a href="contextMenus.html">Context Menus</a></li> 178 <li><a href="notifications.html">Desktop Notifications</a></li> 179 <li><a href="omnibox.html">Omnibox</a></li> 180 <li><a href="options.html">Options Pages</a></li> 181 <li><a href="override.html">Override Pages</a></li> 182 <li><a href="pageAction.html">Page Actions</a></li> 183 </ul> 184 </li> 185 <li>Browser Interaction 186 <ul> 187 <li><a href="bookmarks.html">Bookmarks</a></li> 188 <li><a href="cookies.html">Cookies</a></li> 189 <li><a href="events.html">Events</a></li> 190 <li><a href="history.html">History</a></li> 191 <li><a href="management.html">Management</a></li> 192 <li><a href="tabs.html">Tabs</a></li> 193 <li><a href="windows.html">Windows</a></li> 194 </ul> 195 </li> 196 <li>Implementation 197 <ul> 198 <li><a href="a11y.html">Accessibility</a></li> 199 <li><a href="background_pages.html">Background Pages</a></li> 200 <li><a href="content_scripts.html">Content Scripts</a></li> 201 <li><a href="xhr.html">Cross-Origin XHR</a></li> 202 <li><a href="idle.html">Idle</a></li> 203 <li><a href="i18n.html">Internationalization</a></li> 204 <li><a href="messaging.html">Message Passing</a></li> 205 <li><a href="npapi.html">NPAPI Plugins</a></li> 206 </ul> 207 </li> 208 <li>Finishing 209 <ul> 210 <li class="leftNavSelected">Hosting</li> 211 <li><a href="external_extensions.html">Other Deployment Options</a></li> 212 </ul> 213 </li> 214 </ul> 215 </li> 216 <li><h2><a href="apps.html">Packaged Apps</a></h2></li> 217 <li><h2><a href="tutorials.html">Tutorials</a></h2> 218 <ul> 219 <li><a href="tut_debugging.html">Debugging</a></li> 220 <li><a href="tut_analytics.html">Google Analytics</a></li> 221 <li><a href="tut_oauth.html">OAuth</a></li> 222 </ul> 223 </li> 224 <li><h2>Reference</h2> 225 <ul> 226 <li>Formats 227 <ul> 228 <li><a href="manifest.html">Manifest Files</a></li> 229 <li><a href="match_patterns.html">Match Patterns</a></li> 230 </ul> 231 </li> 232 <li><a href="permission_warnings.html">Permission Warnings</a></li> 233 <li><a href="api_index.html">chrome.* APIs</a></li> 234 <li><a href="api_other.html">Other APIs</a></li> 235 </ul> 236 </li> 237 <li><h2><a href="samples.html">Samples</a></h2></li> 238 <div class="line"> </div> 239 <li><h2>More</h2> 240 <ul> 241 <li><a href="http://code.google.com/chrome/webstore/docs/index.html">Chrome Web Store</a></li> 242 <li><a href="http://code.google.com/chrome/apps/docs/developers_guide.html">Hosted Apps</a></li> 243 <li><a href="themes.html">Themes</a></li> 244 </ul> 245 </li> 246 </ul> 247 </div> 248 <script> 249 initToggles(); 250 </script> 251 252 <div class="g-unit" id="gc-pagecontent"> 253 <div id="pageTitle"> 254 <h1 class="page_title">Hosting</h1> 255 </div> 256 <!-- TABLE OF CONTENTS --> 257 <div id="toc" style="display: none; "> 258 <h2>Contents</h2> 259 <ol> 260 <li> 261 <a>h2Name</a> 262 <ol> 263 <li> 264 <a>h3Name</a> 265 </li> 266 </ol> 267 </li> 268 <li> 269 <a href="#apiReference">API reference</a> 270 <ol> 271 <li> 272 <a href="#properties">Properties</a> 273 <ol> 274 <li> 275 <a href="#property-anchor">propertyName</a> 276 </li> 277 </ol> 278 </li> 279 <li> 280 <a>Methods</a> 281 <ol> 282 <li> 283 <a href="#method-anchor">methodName</a> 284 </li> 285 </ol> 286 </li> 287 <li> 288 <a>Events</a> 289 <ol> 290 <li> 291 <a href="#event-anchor">eventName</a> 292 </li> 293 </ol> 294 </li> 295 <li> 296 <a href="#types">Types</a> 297 <ol> 298 <li> 299 <a href="#id-anchor">id</a> 300 </li> 301 </ol> 302 </li> 303 </ol> 304 </li> 305 </ol> 306 </div> 307 <!-- /TABLE OF CONTENTS --> 308 309 <!-- Standard content lead-in for experimental API pages --> 310 <p id="classSummary" style="display: none; "> 311 For information on how to use experimental APIs, see the <a href="experimental.html">chrome.experimental.* APIs</a> page. 312 </p> 313 314 <!-- STATIC CONTENT PLACEHOLDER --> 315 <div id="static"><div id="pageData-name" class="pageData">Hosting</div> 316 317<p> 318This page tells you how to host <code>.crx</code> files 319on your own server. 320If you distribute your extension, app, or theme solely through the 321<a href="http://chrome.google.com/webstore">Chrome Web Store</a>, 322you don't need this page. 323Instead, consult the store help and 324<a href="http://code.google.com/chrome/webstore/index.html">developer documentation</a>. 325<!-- PENDING: add a link to the help --> 326</p> 327 328<p class="note"> 329<strong>Note:</strong> 330If you've already published extensions to the 331<a href="https://chrome.google.com/extensions">Extensions Gallery</a>, 332they will be merged into the store. 333</p> 334 335<p> 336By convention, extensions, 337installable web apps, and themes are servedâwhether 338by the Chrome Web Store or by a custom serverâas 339<code>.crx</code> files. 340When you upload a ZIP file with the 341<a href="https://chrome.google.com/webstore/developer/dashboard">Chrome Developer Dashboard</a>, 342the dashboard creates the <code>.crx</code> file for you. 343</p> 344 345<p> 346If you aren't publishing using the dashboard, 347you need to create the <code>.crx</code> file yourself, 348as described in <a href="packaging.html">Packaging</a>. 349You can also specify 350<a href="autoupdate.html">autoupdate</a> information to ensure that 351your users will have the latest copy of the <code>.crx</code> file. 352</p> 353 354<p> 355A server that hosts <code>.crx</code> files 356must use appropriate HTTP headers, 357so that users can install the file 358by clicking a link to it. 359</p> 360 361<p> 362Google Chrome considers a file to be installable 363if <b>either</b> of the following is true: 364</p> 365 366<ul> 367 <li> 368 The file has the content type 369 <code>application/x-chrome-extension</code> 370 </li> 371 <li> 372 The file suffix is <code>.crx</code> 373 and <b>both</b> of the following are true: 374 <ul> 375 <li> 376 The file <b>is not</b> served with 377 the HTTP header <code>X-Content-Type-Options: nosniff</code> 378 </li> 379 <li> 380 The file <b>is</b> served 381 with one of the following content types: 382 <ul> 383 <li> empty string </li> 384 <li> "text/plain" </li> 385 <li> "application/octet-stream" </li> 386 <li> "unknown/unknown" </li> 387 <li> "application/unknown" </li> 388 <li> "*/*" </li> 389 </ul> 390 </li> 391 </ul> 392 </li> 393</ul> 394 395<p> 396The most common reason for failing to recognize an installable file 397is that the server sends the header 398<code>X-Content-Type-Options: no sniff</code>. 399The second most common reason 400is that the server sends an unknown content typeâone 401that isn't in the previous list. 402To fix an HTTP header issue, 403either change the configuration of the server 404or try hosting the <code>.crx</code> file at another server. 405</p> 406</div> 407 408 <!-- API PAGE --> 409 <div class="apiPage" style="display: none; "> 410 <a name="apiReference"></a> 411 <h2>API reference: chrome.apiname </h2> 412 413 <!-- PROPERTIES --> 414 <div class="apiGroup"> 415 <a name="properties"></a> 416 <h3 id="properties">Properties</h3> 417 418 <div> 419 <a></a> 420 <h4>getLastError</h4> 421 <div class="summary"> 422 <!-- Note: intentionally longer 80 columns --> 423 <span>chrome.extension</span><span>lastError</span> 424 </div> 425 <div> 426 </div> 427 </div> 428 429 </div> <!-- /apiGroup --> 430 431 <!-- METHODS --> 432 <div id="methodsTemplate" class="apiGroup"> 433 <a></a> 434 <h3>Methods</h3> 435 436 <!-- iterates over all functions --> 437 <div class="apiItem"> 438 <a></a> <!-- method-anchor --> 439 <h4>method name</h4> 440 441 <div class="summary"><span>void</span> 442 <!-- Note: intentionally longer 80 columns --> 443 <span>chrome.module.methodName</span>(<span><span>, </span><span></span> 444 <var><span></span></var></span>)</div> 445 446 <div class="description"> 447 <p class="todo">Undocumented.</p> 448 <p> 449 A description from the json schema def of the function goes here. 450 </p> 451 452 <!-- PARAMETERS --> 453 <h4>Parameters</h4> 454 <dl> 455 <div> 456 <div> 457 </div> 458 </div> 459 </dl> 460 461 <!-- RETURNS --> 462 <h4>Returns</h4> 463 <dl> 464 <div> 465 <div> 466 </div> 467 </div> 468 </dl> 469 470 <!-- CALLBACK --> 471 <div> 472 <div> 473 <h4>Callback function</h4> 474 <p> 475 The callback <em>parameter</em> should specify a function 476 that looks like this: 477 </p> 478 <p> 479 If you specify the <em>callback</em> parameter, it should 480 specify a function that looks like this: 481 </p> 482 483 <!-- Note: intentionally longer 80 columns --> 484 <pre>function(<span>Type param1, Type param2</span>) <span class="subdued">{...}</span>;</pre> 485 <dl> 486 <div> 487 <div> 488 </div> 489 </div> 490 </dl> 491 </div> 492 </div> 493 494 <!-- MIN_VERSION --> 495 <p> 496 This function was added in version <b><span></span></b>. 497 If you require this function, the manifest key 498 <a href="manifest.html#minimum_chrome_version">minimum_chrome_version</a> 499 can ensure that your extension won't be run in an earlier browser version. 500 </p> 501 </div> <!-- /description --> 502 503 </div> <!-- /apiItem --> 504 505 </div> <!-- /apiGroup --> 506 507 <!-- EVENTS --> 508 <div id="eventsTemplate" class="apiGroup"> 509 <a></a> 510 <h3>Events</h3> 511 <!-- iterates over all events --> 512 <div class="apiItem"> 513 <a></a> 514 <h4>event name</h4> 515 516 <div class="summary"> 517 <!-- Note: intentionally longer 80 columns --> 518 <span class="subdued">chrome.bookmarks</span><span>onEvent</span><span class="subdued">.addListener</span>(function(<span>Type param1, Type param2</span>) <span class="subdued">{...}</span>); 519 </div> 520 521 <div class="description"> 522 <p class="todo">Undocumented.</p> 523 <p> 524 A description from the json schema def of the event goes here. 525 </p> 526 527 <!-- PARAMETERS --> 528 <div> 529 <h4>Parameters</h4> 530 <dl> 531 <div> 532 <div> 533 </div> 534 </div> 535 </dl> 536 </div> 537 </div> <!-- /decription --> 538 539 </div> <!-- /apiItem --> 540 541 </div> <!-- /apiGroup --> 542 543 <!-- TYPES --> 544 <div class="apiGroup"> 545 <a name="types"></a> 546 <h3 id="types">Types</h3> 547 548 <!-- iterates over all types --> 549 <div class="apiItem"> 550 <a></a> 551 <h4>type name</h4> 552 553 <div> 554 </div> 555 556 </div> <!-- /apiItem --> 557 558 </div> <!-- /apiGroup --> 559 560 </div> <!-- /apiPage --> 561 </div> <!-- /gc-pagecontent --> 562 </div> <!-- /g-section --> 563 </div> <!-- /codesiteContent --> 564 <div id="gc-footer" --=""> 565 <div class="text"> 566 <p> 567 Except as otherwise <a href="http://code.google.com/policies.html#restrictions">noted</a>, 568 the content of this page is licensed under the <a rel="license" href="http://creativecommons.org/licenses/by/3.0/">Creative Commons 569 Attribution 3.0 License</a>, and code samples are licensed under the 570 <a rel="license" href="http://code.google.com/google_bsd_license.html">BSD License</a>. 571 </p> 572 <p> 573 ©2011 Google 574 </p> 575 576<!-- begin analytics --> 577<script src="http://www.google-analytics.com/urchin.js" type="text/javascript"></script> 578<script src="http://www.google-analytics.com/ga.js" type="text/javascript"></script> 579 580<script type="text/javascript"> 581 // chrome doc tracking 582 try { 583 var engdocs = _gat._getTracker("YT-10763712-2"); 584 engdocs._trackPageview(); 585 } catch(err) {} 586 587 // code.google.com site-wide tracking 588 try { 589 _uacct="UA-18071-1"; 590 _uanchor=1; 591 _uff=0; 592 urchinTracker(); 593 } 594 catch(e) {/* urchinTracker not available. */} 595</script> 596<!-- end analytics --> 597 </div> 598 </div> <!-- /gc-footer --> 599 </div> <!-- /gc-container --> 600</body></html> 601