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Run "@grant none" scripts with a <script> tag in the document.
No eval, no sandbox at all! Refs greasemonkey#1427
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,117 @@ | ||
| Components.utils.import("resource://gre/modules/XPCOMUtils.jsm"); | ||
| Components.utils.import('resource://greasemonkey/util.js'); | ||
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| const Cc = Components.classes; | ||
| const Ci = Components.interfaces; | ||
| const schemeName = 'greasemonkey-script'; | ||
| const ioService = Cc['@mozilla.org/network/io-service;1'] | ||
| .getService(Ci.nsIIOService); | ||
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| function ScriptChannel(aUri, aScript) { | ||
| // nsIRequest | ||
| this.loadFlags = 0; | ||
| this.loadGroup = null; | ||
| this.name = aUri.spec; | ||
| this.status = 200; | ||
|
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| this.content = ''; | ||
| if (aScript) { | ||
| this.content = GM_util.getScriptSource(aScript); | ||
| } else { | ||
| this.status = 404; | ||
| } | ||
|
|
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| // nsIChannel | ||
| this.contentCharset = 'utf-8'; | ||
| this.contentLength = this.content.length; | ||
| this.contentType = 'application/javascript'; | ||
| this.notificationCallbacks = null; | ||
| this.originalURI = aUri; | ||
| this.owner = null; | ||
| this.securityInfo = null; | ||
| this.URI = aUri; | ||
|
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| this.pipe = Cc['@mozilla.org/pipe;1'].createInstance(Ci.nsIPipe); | ||
| this.pipe.init(true, true, 0, 0, null); | ||
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| var inputStreamChannel = Cc['@mozilla.org/network/input-stream-channel;1'] | ||
| .createInstance(Ci.nsIInputStreamChannel); | ||
| inputStreamChannel.setURI(aUri); | ||
| inputStreamChannel.contentStream = this.pipe.inputStream; | ||
| this.channel = inputStreamChannel.QueryInterface(Ci.nsIChannel); | ||
| } | ||
|
|
||
| // nsIChannel | ||
| ScriptChannel.prototype.asyncOpen = function(aListener, aContext) { | ||
| this.channel.asyncOpen(aListener, aContext); | ||
| this.pipe.outputStream.write(this.content, this.content.length); | ||
| this.pipe.outputStream.close(); | ||
| }; | ||
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| function ScriptProtocol() {} | ||
|
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| // XPCOMUtils generation | ||
| ScriptProtocol.prototype.classDescription = | ||
| 'Protocol handler for greasemonkey-script:'; | ||
| ScriptProtocol.prototype.classID = | ||
| Components.ID('{20d898f3-2fb8-4b3a-b8c7-7ad6c2c48598}'); | ||
| ScriptProtocol.prototype.contractID = | ||
| '@mozilla.org/network/protocol;1?name=' + schemeName; | ||
| ScriptProtocol.prototype.QueryInterface = XPCOMUtils.generateQI([ | ||
| Components.interfaces.nsIProtocolHandler, | ||
| Components.interfaces.nsISupports, | ||
| ]); | ||
|
|
||
| // nsIProtocolHandler | ||
| ScriptProtocol.prototype.scheme = schemeName; | ||
| ScriptProtocol.prototype.defaultPort = -1; | ||
| ScriptProtocol.prototype.protocolFlags = 0 | ||
| | Ci.nsIProtocolHandler.URI_INHERITS_SECURITY_CONTEXT | ||
| | Ci.nsIProtocolHandler.URI_IS_LOCAL_RESOURCE | ||
| | Ci.nsIProtocolHandler.URI_LOADABLE_BY_ANYONE | ||
| | Ci.nsIProtocolHandler.URI_NOAUTH | ||
| | Ci.nsIProtocolHandler.URI_NON_PERSISTABLE | ||
| | Ci.nsIProtocolHandler.URI_NORELATIVE | ||
| ; | ||
|
|
||
| // nsIProtocolHandler | ||
| ScriptProtocol.prototype.allowPort = function(aPort, aScheme) { | ||
| return false; | ||
| }; | ||
|
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||
| // nsIProtocolHandler | ||
| ScriptProtocol.prototype.newURI = function(aSpec, aCharset, aBaseUri) { | ||
| var uri = Cc['@mozilla.org/network/simple-uri;1'].createInstance(Ci.nsIURI); | ||
| uri.spec = aSpec; | ||
| return uri; | ||
| }; | ||
|
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||
| // nsIProtocolHandler | ||
| ScriptProtocol.prototype.newChannel = function(aUri) { | ||
| var m = aUri.spec.match(/greasemonkey-script:([-0-9a-f]+)\/(.*)/); | ||
| var script = GM_util.getService().config.getMatchingScripts(function(script) { | ||
| return script.uuid == m[1]; | ||
| })[0]; | ||
| if (aUri.spec.match(/\.user\.js$/)) { | ||
| return new ScriptChannel(aUri, script); | ||
| } else if (script) { | ||
| for (var i = 0, resource = null; resource = script.resources[i]; i++) { | ||
| if (resource.name == m[2]) { | ||
| return ioService.newChannelFromURI( | ||
| GM_util.getUriFromFile(resource.file)); | ||
| } | ||
| } | ||
| } else { | ||
| return new ScriptChannel(aUri, script); | ||
| } | ||
| }; | ||
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| const components = [ScriptProtocol]; | ||
| if ("generateNSGetFactory" in XPCOMUtils) { | ||
| var NSGetFactory = XPCOMUtils.generateNSGetFactory(components); // Gecko 2.0+ | ||
| } else { | ||
| var NSGetModule = XPCOMUtils.generateNSGetModule(components); // Gecko 1.9.x | ||
| } |
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