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Bug 1100069 - have nsIHandlerService::getTypeFromExtension fail gracefully and silently in xpcshell. r=bz

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This commit is contained in:
Mark Hammond 2014-12-11 11:13:35 +11:00
parent d43fd4f419
commit b05b3dabbc
1 changed files with 8 additions and 0 deletions
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8
uriloader/exthandler/nsHandlerService.js
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@ -457,6 +457,14 @@ HandlerService.prototype = {
var fileExtension = aFileExtension.toLowerCase();
var typeID;
// See bug 1100069 for why we want to fail gracefully and silently here.
try {
this._ds;
} catch (ex) {
Components.returnCode = Cr.NS_ERROR_NOT_AVAILABLE;
return;
}
if (this._existsLiteralTarget(NC_FILE_EXTENSIONS, fileExtension))
typeID = this._getSourceForLiteral(NC_FILE_EXTENSIONS, fileExtension);