diff options
Diffstat (limited to 'toolkit/mozapps/extensions/test/xpinstall/slowinstall.sjs')
-rw-r--r-- | toolkit/mozapps/extensions/test/xpinstall/slowinstall.sjs | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/toolkit/mozapps/extensions/test/xpinstall/slowinstall.sjs b/toolkit/mozapps/extensions/test/xpinstall/slowinstall.sjs new file mode 100644 index 000000000..5f767a8f4 --- /dev/null +++ b/toolkit/mozapps/extensions/test/xpinstall/slowinstall.sjs @@ -0,0 +1,101 @@ +const { classes: Cc, interfaces: Ci, utils: Cu } = Components; + +Cu.import("resource://gre/modules/Services.jsm"); +Cu.import("resource://gre/modules/osfile.jsm"); +Cu.import("resource://gre/modules/NetUtil.jsm"); + +const RELATIVE_PATH = "browser/toolkit/mozapps/extensions/test/xpinstall" +const NOTIFICATION_TOPIC = "slowinstall-complete"; + +/** + * Helper function to create a JS object representing the url parameters from + * the request's queryString. + * + * @param aQueryString + * The request's query string. + * @return A JS object representing the url parameters from the request's + * queryString. + */ +function parseQueryString(aQueryString) { + var paramArray = aQueryString.split("&"); + var regex = /^([^=]+)=(.*)$/; + var params = {}; + for (var i = 0, sz = paramArray.length; i < sz; i++) { + var match = regex.exec(paramArray[i]); + if (!match) + throw "Bad parameter in queryString! '" + paramArray[i] + "'"; + params[decodeURIComponent(match[1])] = decodeURIComponent(match[2]); + } + + return params; +} + +function handleRequest(aRequest, aResponse) { + let id = +getState("ID"); + setState("ID", "" + (id + 1)); + + function LOG(str) { + dump("slowinstall.sjs[" + id + "]: " + str + "\n"); + } + + aResponse.setStatusLine(aRequest.httpVersion, 200, "OK"); + + var params = { }; + if (aRequest.queryString) + params = parseQueryString(aRequest.queryString); + + if (params.file) { + let xpiFile = ""; + + function complete_download() { + LOG("Completing download"); + downloadPaused = false; + + try { + // Doesn't seem to be a sane way to read using OS.File and write to an + // nsIOutputStream so here we are. + let file = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsIFile); + file.initWithPath(xpiFile); + let stream = Cc["@mozilla.org/network/file-input-stream;1"]. + createInstance(Ci.nsIFileInputStream); + stream.init(file, -1, -1, stream.DEFER_OPEN + stream.CLOSE_ON_EOF); + + NetUtil.asyncCopy(stream, aResponse.bodyOutputStream, () => { + LOG("Download complete"); + aResponse.finish(); + }); + } + catch (e) { + LOG("Exception " + e); + } + } + + let waitForComplete = new Promise(resolve => { + function complete() { + Services.obs.removeObserver(complete, NOTIFICATION_TOPIC); + resolve(); + } + + Services.obs.addObserver(complete, NOTIFICATION_TOPIC, false); + }); + + aResponse.processAsync(); + + OS.File.getCurrentDirectory().then(dir => { + xpiFile = OS.Path.join(dir, ...RELATIVE_PATH.split("/"), params.file); + LOG("Starting slow download of " + xpiFile); + + OS.File.stat(xpiFile).then(info => { + aResponse.setHeader("Content-Type", "binary/octet-stream"); + aResponse.setHeader("Content-Length", info.size.toString()); + + LOG("Download paused"); + waitForComplete.then(complete_download); + }); + }); + } + else if (params.continue) { + dump("slowinstall.sjs: Received signal to complete all current downloads.\n"); + Services.obs.notifyObservers(null, NOTIFICATION_TOPIC, null); + } +} |