0f76fa2f28
We handle this similarly to pasting into a prompt() dialog, so I refactored that logic into a new ContentAnalysisUtils and call it from both places. Also drive-by cleanup of BUG_COMPONENT for a few Content Analysis moz.build's Differential Revision: https://phabricator.services.mozilla.com/D244818
100 lines
4.0 KiB
JavaScript
100 lines
4.0 KiB
JavaScript
/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/**
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* Contains helper methods for JS code that need to call into
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* Content Analysis. Note that most JS code will not need to explicitly
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* use this - this is only for edge cases that the existing C++ code
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* does not handle, such as pasting into a prompt() or pasting into
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* the GenAI chatbot shortcut menu.
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*/
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export const ContentAnalysisUtils = {
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/**
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* Sets up Content Analysis to monitor clipboard pastes and drag-and-drop
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* and send the text on to Content Analysis for approval. This method
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* will check if Content Analysis is active and if not it will return early.
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*
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* @param {Element} textElement The DOM element to monitor
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* @param {BrowsingContext} browsingContext The browsing context that the textElement
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* is part of. Used to show the "DLP busy" dialog.
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* @param {Function} url An nsIURI that indicates where the content would be sent to.
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* If this is undefined, this method will get the URI from the browsingContext.
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*/
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setupContentAnalysisEventsForTextElement(textElement, browsingContext, url) {
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// Do not use a lazy service getter for this, because tests set up different mocks,
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// so if multiple tests run that call into this we can end up calling into an old mock.
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const contentAnalysis = Cc["@mozilla.org/contentanalysis;1"].getService(
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Ci.nsIContentAnalysis
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);
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if (!textElement || !contentAnalysis.isActive) {
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return;
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}
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let caEventChecker = async event => {
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let isPaste = event.type == "paste";
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let dataTransfer = isPaste ? event.clipboardData : event.dataTransfer;
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let data = dataTransfer.getData("text/plain");
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if (!data || !data.length) {
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return;
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}
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// Prevent the paste/drop from happening until content analysis returns a response
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event.preventDefault();
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// Selections can be forward or backward, so use min/max
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const startIndex = Math.min(
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textElement.selectionStart,
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textElement.selectionEnd
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);
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const endIndex = Math.max(
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textElement.selectionStart,
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textElement.selectionEnd
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);
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const selectionDirection = endIndex < startIndex ? "backward" : "forward";
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try {
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const response = await contentAnalysis.analyzeContentRequests(
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[
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{
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analysisType: Ci.nsIContentAnalysisRequest.eBulkDataEntry,
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reason: isPaste
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? Ci.nsIContentAnalysisRequest.eClipboardPaste
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: Ci.nsIContentAnalysisRequest.eDragAndDrop,
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resources: [],
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operationTypeForDisplay: isPaste
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? Ci.nsIContentAnalysisRequest.eClipboard
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: Ci.nsIContentAnalysisRequest.eDroppedText,
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url:
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url ??
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contentAnalysis.getURIForBrowsingContext(browsingContext),
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textContent: data,
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windowGlobalParent: browsingContext.currentWindowContext,
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},
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],
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true
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);
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if (response.shouldAllowContent) {
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textElement.value =
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textElement.value.slice(0, startIndex) +
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data +
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textElement.value.slice(endIndex);
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textElement.focus();
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if (startIndex !== endIndex) {
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// Select the pasted text
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textElement.setSelectionRange(
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startIndex,
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startIndex + data.length,
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selectionDirection
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);
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}
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}
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} catch (error) {
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console.error("Content analysis request returned error: ", error);
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}
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};
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textElement.addEventListener("paste", caEventChecker);
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textElement.addEventListener("drop", caEventChecker);
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},
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};
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