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Patch 1 (main patch) - Bug 583408 - Notify user when the certificate attribute check fails. r=dtownsend, a=blocking2.0-beta6
This commit is contained in:
Robert Strong
parent
a3783283b2
commit
9c62c92e57
@ -90,6 +90,23 @@ pref("app.update.timer", 600000);
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// Enables some extra Application Update Logging (can reduce performance)
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pref("app.update.log", false);
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// When |app.update.cert.requireBuiltIn| is true or not specified the
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// final certificate and all certificates the connection is redirected to before
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// the final certificate for the url specified in the |app.update.url|
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// preference must be built-in.
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pref("app.update.cert.requireBuiltIn", true);
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// When |app.update.cert.checkAttributes| is true or not specified the
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// certificate attributes specified in the |app.update.certs.| preference branch
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// are checked against the certificate for the url specified by the
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// |app.update.url| preference.
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pref("app.update.cert.checkAttributes", true);
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// The number of certificate attribute check failures to allow for background
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// update checks before notifying the user of the failure. User initiated update
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// checks always notify the user of the certificate attribute check failure.
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pref("app.update.cert.maxErrors", 5);
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// The |app.update.certs.| preference branch contains branches that are
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// sequentially numbered starting at 1 that contain attribute name / value
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// pairs for the certificate used by the server that hosts the update xml file
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@ -54,11 +54,14 @@ const Cu = Components.utils;
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*
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* @param aChannel
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* The nsIChannel that will have its certificate checked.
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* @param aCerts
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* @param aAllowNonBuiltInCerts (optional)
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* When true certificates that aren't builtin are allowed. When false
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* or not specified the certificate must be a builtin certificate.
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* @param aCerts (optional)
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* An array of JS objects with names / values corresponding to the
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* channel's expected certificate's attribute names / values. This can
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* be null or an empty array. If it isn't null the the scheme for the
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* channel's originalURI must be https.
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* channel's expected certificate's attribute names / values. If it
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* isn't null or not specified the the scheme for the channel's
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* originalURI must be https.
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* @throws NS_ERROR_UNEXPECTED if a certificate is expected and the URI scheme
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* is not https.
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* NS_ERROR_ILLEGAL_VALUE if a certificate attribute name from the
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@ -66,7 +69,7 @@ const Cu = Components.utils;
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* from the aCerts param is different than the expected value.
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* NS_ERROR_ABORT if the certificate issuer is not built-in.
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*/
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function checkCert(aChannel, aCerts) {
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function checkCert(aChannel, aAllowNonBuiltInCerts, aCerts) {
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if (!aChannel.originalURI.schemeIs("https")) {
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// Require https if there are certificate values to verify
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if (aCerts) {
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@ -112,6 +115,8 @@ function checkCert(aChannel, aCerts) {
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}
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}
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if (aAllowNonBuiltInCerts === true)
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return;
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var issuerCert = cert;
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while (issuerCert.issuer && !issuerCert.issuer.equals(issuerCert))
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@ -136,6 +141,10 @@ function isBuiltinToken(tokenName) {
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* This class implements nsIBadCertListener. Its job is to prevent "bad cert"
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* security dialogs from being shown to the user. It is better to simply fail
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* if the certificate is bad. See bug 304286.
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*
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* @param aAllowNonBuiltInCerts (optional)
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* When true certificates that aren't builtin are allowed. When false
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* or not specified the certificate must be a builtin certificate.
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*/
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function BadCertHandler(aAllowNonBuiltInCerts) {
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this.allowNonBuiltInCerts = aAllowNonBuiltInCerts;
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@ -58,9 +58,9 @@ function testXHRError(aEvent) {
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SimpleTest.finish();
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}
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function getCheckCertResult(aChannel, aCerts) {
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function getCheckCertResult(aChannel, aAllowNonBuiltIn, aCerts) {
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try {
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checkCert(aChannel, aCerts);
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checkCert(aChannel, aAllowNonBuiltIn, aCerts);
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}
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catch (e) {
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return e.result;
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@ -74,18 +74,22 @@ function testXHRLoad(aEvent) {
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var channel = aEvent.target.channel;
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var certs = null;
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is(getCheckCertResult(channel, certs), Cr.NS_ERROR_ABORT,
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is(getCheckCertResult(channel, false, certs), Cr.NS_ERROR_ABORT,
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"checkCert should throw NS_ERROR_ABORT when the certificate attributes " +
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"array passed to checkCert is null and the certificate is not builtin");
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is(getCheckCertResult(channel, true, certs), Cr.NS_OK,
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"checkCert should not throw when the certificate attributes array " +
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"passed to checkCert is null and builtin certificates aren't enforced");
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certs = [ { invalidAttribute: "Invalid attribute" } ];
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is(getCheckCertResult(channel, certs), Cr.NS_ERROR_ILLEGAL_VALUE,
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is(getCheckCertResult(channel, false, certs), Cr.NS_ERROR_ILLEGAL_VALUE,
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"checkCert should throw NS_ERROR_ILLEGAL_VALUE when the certificate " +
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"attributes array passed to checkCert has an element that has an " +
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"attribute that does not exist on the certificate");
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certs = [ { issuerName: "Incorrect issuerName" } ];
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is(getCheckCertResult(channel, certs), Cr.NS_ERROR_ILLEGAL_VALUE,
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is(getCheckCertResult(channel, false, certs), Cr.NS_ERROR_ILLEGAL_VALUE,
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"checkCert should throw NS_ERROR_ILLEGAL_VALUE when the certificate " +
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"attributes array passed to checkCert has an element that has an " +
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"issuerName that is not the same as the certificate's");
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@ -95,35 +99,46 @@ function testXHRLoad(aEvent) {
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certs = [ { issuerName: cert.issuerName,
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commonName: cert.commonName } ];
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is(getCheckCertResult(channel, certs), Cr.NS_ERROR_ABORT,
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is(getCheckCertResult(channel, false, certs), Cr.NS_ERROR_ABORT,
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"checkCert should throw NS_ERROR_ABORT when the certificate attributes " +
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"array passed to checkCert has a single element that has the same " +
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"issuerName and commonName as the certificate's and the certificate is " +
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"not builtin");
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is(getCheckCertResult(channel, true, certs), Cr.NS_OK,
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"checkCert should not throw when the certificate attributes array " +
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"passed to checkCert has a single element that has the same issuerName " +
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"and commonName as the certificate's and and builtin certificates " +
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"aren't enforced");
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certs = [ { issuerName: "Incorrect issuerName",
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invalidAttribute: "Invalid attribute" },
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{ issuerName: cert.issuerName,
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commonName: "Invalid Common Name" },
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{ issuerName: cert.issuerName,
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commonName: cert.commonName } ];
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is(getCheckCertResult(channel, certs), Cr.NS_ERROR_ABORT,
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is(getCheckCertResult(channel, false, certs), Cr.NS_ERROR_ABORT,
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"checkCert should throw NS_ERROR_ABORT when the certificate attributes " +
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"array passed to checkCert has an element that has the same issuerName " +
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"and commonName as the certificate's and the certificate is not builtin");
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is(getCheckCertResult(channel, true, certs), Cr.NS_OK,
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"checkCert should not throw when the certificate attributes array " +
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"passed to checkCert has an element that has the same issuerName and " +
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"commonName as the certificate's and builtin certificates aren't enforced");
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var mockChannel = { originalURI: Cc["@mozilla.org/network/io-service;1"].
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getService(Ci.nsIIOService).
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newURI("http://example.com/", null, null) };
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certs = [ ];
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is(getCheckCertResult(mockChannel, certs), Cr.NS_ERROR_UNEXPECTED,
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is(getCheckCertResult(mockChannel, false, certs), Cr.NS_ERROR_UNEXPECTED,
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"checkCert should throw NS_ERROR_UNEXPECTED when the certificate " +
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"attributes array passed to checkCert is not null and the channel's " +
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"originalURI is not https");
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certs = null;
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is(getCheckCertResult(mockChannel, certs), Cr.NS_OK,
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is(getCheckCertResult(mockChannel, false, certs), Cr.NS_OK,
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"checkCert should not throw when the certificate attributes object " +
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"passed to checkCert is null and the the channel's originalURI is not " +
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"https");
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@ -51,6 +51,7 @@ const CoR = Components.results;
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const XMLNS_XUL = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
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const PREF_APP_UPDATE_BILLBOARD_TEST_URL = "app.update.billboard.test_url";
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const PREF_APP_UPDATE_CERT_ERRORS = "app.update.cert.errors";
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const PREF_APP_UPDATE_ENABLED = "app.update.enabled";
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const PREF_APP_UPDATE_LOG = "app.update.log";
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const PREF_APP_UPDATE_MANUAL_URL = "app.update.url.manual";
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@ -72,6 +73,9 @@ const STATE_FAILED = "failed";
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const SRCEVT_FOREGROUND = 1;
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const SRCEVT_BACKGROUND = 2;
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const CERT_ATTR_CHECK_FAILED_NO_UPDATE = 100;
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const CERT_ATTR_CHECK_FAILED_HAS_UPDATE = 101;
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var gLogEnabled = false;
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var gUpdatesFoundPageId;
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@ -399,6 +403,12 @@ var gUpdates = {
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// user that the background checking found an update that requires
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// their permission to install, and it's ready for download.
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this.setUpdate(arg0);
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if (this.update.errorCode == CERT_ATTR_CHECK_FAILED_NO_UPDATE ||
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this.update.errorCode == CERT_ATTR_CHECK_FAILED_HAS_UPDATE) {
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aCallback("errorcertcheck");
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return;
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}
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var p = this.update.selectedPatch;
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if (p) {
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var state = p.state;
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@ -654,7 +664,14 @@ var gCheckingPage = {
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onError: function(request, update) {
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LOG("gCheckingPage", "onError - proceeding to error page");
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gUpdates.setUpdate(update);
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gUpdates.wiz.goTo("errors");
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if (update.errorCode &&
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(update.errorCode == CERT_ATTR_CHECK_FAILED_NO_UPDATE ||
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update.errorCode == CERT_ATTR_CHECK_FAILED_HAS_UPDATE )) {
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gUpdates.wiz.goTo("errorcertcheck");
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}
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else {
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gUpdates.wiz.goTo("errors");
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}
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},
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/**
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@ -1592,6 +1609,34 @@ var gErrorsPage = {
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}
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};
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/**
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* The page shown when there is a certificate attribute check error.
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*/
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var gErrorCertCheckPage = {
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/**
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* Initialize
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*/
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onPageShow: function() {
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gUpdates.setButtons(null, null, "okButton", true);
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gUpdates.wiz.getButton("finish").focus();
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if (Services.prefs.prefHasUserValue(PREF_APP_UPDATE_CERT_ERRORS))
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Services.prefs.clearUserPref(PREF_APP_UPDATE_CERT_ERRORS);
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if (gUpdates.update.errorCode == CERT_ATTR_CHECK_FAILED_HAS_UPDATE) {
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document.getElementById("errorCertAttrHasUpdateLabel").hidden = false;
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}
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else {
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document.getElementById("errorCertCheckNoUpdateLabel").hidden = false;
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var manualURL = Services.urlFormatter.formatURLPref(PREF_APP_UPDATE_MANUAL_URL);
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var errorLinkLabel = document.getElementById("errorCertAttrLinkLabel");
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errorLinkLabel.value = manualURL;
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errorLinkLabel.setAttribute("url", manualURL);
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errorLinkLabel.hidden = false;
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}
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}
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};
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/**
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* The "There was an error applying a partial patch" page.
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*/
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@ -229,6 +229,22 @@
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</hbox>
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</vbox>
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</wizardpage>
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<wizardpage id="errorcertcheck" pageid="errorcertcheck"
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object="gErrorCertCheckPage"
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onpageshow="gErrorCertCheckPage.onPageShow();">
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<updateheader label="&error.title;"/>
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<vbox class="update-content" flex="1">
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<label id="errorCertAttrHasUpdateLabel"
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hidden="true">&errorCertAttrHasUpdate.label;</label>
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<label id="errorCertCheckNoUpdateLabel"
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hidden="true">&errorCertAttrNoUpdate.label;</label>
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<hbox>
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<label id="errorCertAttrLinkLabel" class="text-link" hidden="true"
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value="" onclick="openUpdateURL(event);"/>
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</hbox>
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</vbox>
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</wizardpage>
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<wizardpage id="errorpatching" pageid="errorpatching" next="downloading"
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object="gErrorPatchingPage"
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@ -251,10 +251,12 @@ interface nsIUpdate : nsISupports
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/**
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* A numeric error code that conveys additional information about the state
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* of a failed update. If the update is not in the "failed" state, then this
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* value is zero.
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* of a failed update or failed certificate attribute check during an update
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* check. If the update is not in the "failed" state or the certificate
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* attribute check has not failed the value is zero.
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*
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* TODO: Define typical error codes (for now, see updater/errors.h)
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* TODO: Define typical error codes (for now, see updater/errors.h and the
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* CERT_ATTR_CHECK_FAILED_* values in nsUpdateService.js)
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*/
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attribute long errorCode;
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@ -54,6 +54,10 @@ const Cr = Components.results;
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const PREF_APP_UPDATE_AUTO = "app.update.auto";
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const PREF_APP_UPDATE_BACKGROUND_INTERVAL = "app.update.download.backgroundInterval";
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const PREF_APP_UPDATE_CERTS_BRANCH = "app.update.certs.";
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const PREF_APP_UPDATE_CERT_CHECKATTRS = "app.update.cert.checkAttributes";
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const PREF_APP_UPDATE_CERT_ERRORS = "app.update.cert.errors";
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const PREF_APP_UPDATE_CERT_MAXERRORS = "app.update.cert.maxErrors";
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const PREF_APP_UPDATE_CERT_REQUIREBUILTIN = "app.update.cert.requireBuiltIn";
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const PREF_APP_UPDATE_CHANNEL = "app.update.channel";
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const PREF_APP_UPDATE_ENABLED = "app.update.enabled";
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const PREF_APP_UPDATE_IDLETIME = "app.update.idletime";
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@ -114,6 +118,9 @@ const STATE_FAILED = "failed";
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const WRITE_ERROR = 7;
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const ELEVATION_CANCELED = 9;
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const CERT_ATTR_CHECK_FAILED_NO_UPDATE = 100;
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const CERT_ATTR_CHECK_FAILED_HAS_UPDATE = 101;
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const DOWNLOAD_CHUNK_SIZE = 300000; // bytes
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const DOWNLOAD_BACKGROUND_INTERVAL = 600; // seconds
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const DOWNLOAD_FOREGROUND_INTERVAL = 0;
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@ -1192,14 +1199,18 @@ UpdateService.prototype = {
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cleanupActiveUpdate();
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}
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else {
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// If we hit an error, then the error code will be included in the
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// status string following a colon. If we had an I/O error, then we
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// assume that the patch is not invalid, and we restage the patch so
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// that it can be attempted again the next time we restart.
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var ary = status.split(": ");
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// If we hit an error, then the error code will be included in the status
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// string following a colon and a space. If we had an I/O error, then we
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// assume that the patch is not invalid, and we re-stage the patch so that
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// it can be attempted again the next time we restart. This will leave a
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// space at the beginning of the error code when there is a failure which
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// will be removed by using parseInt below. This prevents panic which has
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// occurred numerous times previously (see bug 569642 comment #9 for one
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// example) when testing releases due to forgetting to include the space.
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var ary = status.split(":");
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update.state = ary[0];
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if (update.state == STATE_FAILED && ary[1]) {
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update.errorCode = ary[1];
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update.errorCode = parseInt(ary[1]);
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if (update.errorCode == WRITE_ERROR) {
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prompter.showUpdateError(update);
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writeStatusFile(getUpdatesDir(), update.state = STATE_PENDING);
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@ -1270,8 +1281,23 @@ UpdateService.prototype = {
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onError: function AUS_notify_onError(request, update) {
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LOG("UpdateService:notify:listener - error during background update: " +
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update.statusText);
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},
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}
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if (!update.errorCode ||
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update.errorCode != CERT_ATTR_CHECK_FAILED_NO_UPDATE &&
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update.errorCode != CERT_ATTR_CHECK_FAILED_HAS_UPDATE)
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return;
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var errCount = getPref("getIntPref", PREF_APP_UPDATE_CERT_ERRORS, 0);
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errCount++;
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Services.prefs.setIntPref(PREF_APP_UPDATE_CERT_ERRORS, errCount);
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if (errCount >= getPref("getIntPref", PREF_APP_UPDATE_CERT_MAXERRORS, 5)) {
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var prompter = Cc["@mozilla.org/updates/update-prompt;1"].
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createInstance(Ci.nsIUpdatePrompt);
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prompter.showUpdateError(update);
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}
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}
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};
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this.backgroundChecker.checkForUpdates(listener, false);
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},
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@ -2002,7 +2028,9 @@ Checker.prototype = {
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this._request = Cc["@mozilla.org/xmlextras/xmlhttprequest;1"].
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createInstance(Ci.nsIXMLHttpRequest);
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this._request.open("GET", url, true);
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this._request.channel.notificationCallbacks = new gCertUtils.BadCertHandler();
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var allowNonBuiltIn = !getPref("getBoolPref",
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PREF_APP_UPDATE_CERT_REQUIREBUILTIN, true);
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this._request.channel.notificationCallbacks = new gCertUtils.BadCertHandler(allowNonBuiltIn);
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this._request.overrideMimeType("text/xml");
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this._request.setRequestHeader("Cache-Control", "no-cache");
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@ -2094,6 +2122,7 @@ Checker.prototype = {
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var prefs = Services.prefs;
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var certs = null;
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if (!prefs.prefHasUserValue(PREF_APP_UPDATE_URL_OVERRIDE) &&
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getPref("getBoolPref", PREF_APP_UPDATE_CERT_CHECKATTRS, true) &&
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prefs.getBranch(PREF_APP_UPDATE_CERTS_BRANCH).getChildList("").length) {
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certs = [];
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let counter = 1;
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@ -2113,39 +2142,32 @@ Checker.prototype = {
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}
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}
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var certAttrCheckFailed = false;
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var status;
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try {
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try {
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gCertUtils.checkCert(this._request.channel, certs);
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}
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catch (e) {
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Components.utils.reportError(e);
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if (e.result != Cr.NS_ERROR_ILLEGAL_VALUE)
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throw e;
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certAttrCheckFailed = true;
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}
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// Analyze the resulting DOM and determine the set of updates. If the
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// certificate attribute check failed treat it as no updates found until
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// Bug 583408 is fixed.
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var updates = certAttrCheckFailed ? [] : this._updates;
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// Analyze the resulting DOM and determine the set of updates.
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var updates = this._updates;
|
||||
LOG("Checker:onLoad - number of updates available: " + updates.length);
|
||||
var allowNonBuiltIn = !getPref("getBoolPref",
|
||||
PREF_APP_UPDATE_CERT_REQUIREBUILTIN, true);
|
||||
gCertUtils.checkCert(this._request.channel, allowNonBuiltIn, certs);
|
||||
|
||||
if (Services.prefs.prefHasUserValue(PREF_APP_UPDATE_CERT_ERRORS))
|
||||
Services.prefs.clearUserPref(PREF_APP_UPDATE_CERT_ERRORS);
|
||||
|
||||
// Tell the Update Service about the updates
|
||||
this._callback.onCheckComplete(event.target, updates, updates.length);
|
||||
}
|
||||
catch (e) {
|
||||
LOG("Checker:onLoad - there was a problem with the update service URL " +
|
||||
"specified, either the XML file was malformed or it does not exist " +
|
||||
"at the location specified. Exception: " + e);
|
||||
LOG("Checker:onLoad - there was a problem checking for updates. " +
|
||||
"Exception: " + e);
|
||||
var request = event.target;
|
||||
var status = this._getChannelStatus(request);
|
||||
LOG("Checker:onLoad - request.status: " + status);
|
||||
var update = new Update(null);
|
||||
update.statusText = getStatusTextFromCode(status, 404);
|
||||
if (e.result == Cr.NS_ERROR_ILLEGAL_VALUE) {
|
||||
update.errorCode = updates[0] ? CERT_ATTR_CHECK_FAILED_HAS_UPDATE
|
||||
: CERT_ATTR_CHECK_FAILED_NO_UPDATE;
|
||||
}
|
||||
this._callback.onError(request, update);
|
||||
}
|
||||
|
||||
@ -2803,6 +2825,14 @@ UpdatePrompt.prototype = {
|
||||
if (!this._enabled)
|
||||
return;
|
||||
|
||||
if (update.errorCode &&
|
||||
(update.errorCode == CERT_ATTR_CHECK_FAILED_NO_UPDATE ||
|
||||
update.errorCode != CERT_ATTR_CHECK_FAILED_HAS_UPDATE)) {
|
||||
this._showUIWhenIdle(null, URI_UPDATE_PROMPT_DIALOG, null,
|
||||
UPDATE_WINDOW_NAME, null, update);
|
||||
return;
|
||||
}
|
||||
|
||||
// In some cases, we want to just show a simple alert dialog:
|
||||
if (update.state == STATE_FAILED && update.errorCode == WRITE_ERROR) {
|
||||
var title = gUpdateBundle.GetStringFromName("updaterIOErrorTitle");
|
||||
|
||||
Loading…
Reference in New Issue
Block a user