Source/WebInspectorUI/UserInterface/Views/LocalResourceOverridePopover.js - WebKit - Git at Google

 /*
  * Copyright (C) 2019 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  * THE POSSIBILITY OF SUCH DAMAGE.
  */

 WI.LocalResourceOverridePopover = class LocalResourceOverridePopover extends WI.Popover
 {
     constructor(delegate)
     {
         super(delegate);

         this._urlCodeMirror = null;
         this._mimeTypeCodeMirror = null;
         this._statusCodeCodeMirror = null;
         this._statusTextCodeMirror = null;
         this._headersDataGrid = null;

         this._serializedDataWhenShown = null;

         this.windowResizeHandler = this._presentOverTargetElement.bind(this);
     }

     // Public

     get serializedData()
     {
         if (!this._targetElement)
             return null;

         let url = this._urlCodeMirror.getValue();
         if (!url)
             return null;

         const schemes = ["http:", "https:", "file:"];
         if (!schemes.some((scheme) => url.startsWith(scheme)))
             return null;

         // NOTE: We can allow an empty mimeType / statusCode / statusText to pass
         // network values through, but lets require them for overrides so that
         // the popover doesn't have to have an additional state for "pass through".

         let mimeType = this._mimeTypeCodeMirror.getValue();
         if (!mimeType)
             return null;

         let statusCode = parseInt(this._statusCodeCodeMirror.getValue());
         if (isNaN(statusCode) || statusCode < 0)
             return null;

         let statusText = this._statusTextCodeMirror.getValue();
         if (!statusText)
             return null;

         let headers = {};
         for (let node of this._headersDataGrid.children) {
             let {name, value} = node.data;
             if (!name || !value)
                 continue;
             if (name.toLowerCase() === "content-type")
                 continue;
             if (name.toLowerCase() === "set-cookie")
                 continue;
             headers[name] = value;
         }

         let data = {
             url,
             mimeType,
             statusCode,
             statusText,
             headers,
         };

         // No change.
         let oldSerialized = JSON.stringify(this._serializedDataWhenShown);
         let newSerialized = JSON.stringify(data);
         if (oldSerialized === newSerialized)
             return null;

         return data;
     }

     show(localResource, targetElement, preferredEdges)
     {
         this._targetElement = targetElement;
         this._preferredEdges = preferredEdges;

         let url = localResource ? localResource.url : "";
         let mimeType = localResource ? localResource.mimeType : "";
         let statusCode = localResource ? String(localResource.statusCode) : "";
         let statusText = localResource ? localResource.statusText : "";
         let responseHeaders = localResource ? localResource.responseHeaders : {};

         if (!url)
             url = this._defaultURL();
         if (!mimeType)
             mimeType = "text/javascript";
         if (!statusCode || statusCode === "NaN")
             statusCode = "200";
         if (!statusText)
             statusText = WI.HTTPUtilities.statusTextForStatusCode(parseInt(statusCode));

         let popoverContentElement = document.createElement("div");
         popoverContentElement.className = "local-resource-override-popover-content";

         let table = popoverContentElement.appendChild(document.createElement("table"));

         let createRow = (label, id, text) => {
             let row = table.appendChild(document.createElement("tr"));
             let headerElement = row.appendChild(document.createElement("th"));
             let dataElement = row.appendChild(document.createElement("td"));

             let labelElement = headerElement.appendChild(document.createElement("label"));
             labelElement.textContent = label;

             let editorElement = dataElement.appendChild(document.createElement("div"));
             editorElement.classList.add("editor", id);

             let codeMirror = this._createEditor(editorElement, text);
             let inputField = codeMirror.getInputField();
             inputField.id = `local-resource-override-popover-${id}-input-field`;
             labelElement.setAttribute("for", inputField.id);

             return {codeMirror, dataElement};
         };

         let urlRow = createRow(WI.UIString("URL"), "url", url);
         this._urlCodeMirror = urlRow.codeMirror;
         this._urlCodeMirror.setOption("mode", "text/x-local-override-url");

         let mimeTypeRow = createRow(WI.UIString("MIME Type"), "mime", mimeType);
         this._mimeTypeCodeMirror = mimeTypeRow.codeMirror;

         let statusCodeRow = createRow(WI.UIString("Status"), "status", statusCode);
         this._statusCodeCodeMirror = statusCodeRow.codeMirror;

         let statusTextEditorElement = statusCodeRow.dataElement.appendChild(document.createElement("div"));
         statusTextEditorElement.className = "editor status-text";
         this._statusTextCodeMirror = this._createEditor(statusTextEditorElement, statusText);

         let editCallback = () => {};
         let deleteCallback = (node) => {
             if (node === contentTypeDataGridNode)
                 return;

             let siblingToSelect = node.nextSibling || node.previousSibling;
             dataGrid.removeChild(node);
             if (siblingToSelect)
                 siblingToSelect.select();

             dataGrid.updateLayoutIfNeeded();
             this.update();
         };

         let columns = {
             name: {
                 title: WI.UIString("Name"),
                 width: "30%",
             },
             value: {
                 title: WI.UIString("Value"),
             },
         };

         let dataGrid = this._headersDataGrid = new WI.DataGrid(columns, {editCallback, deleteCallback});
         dataGrid.inline = true;
         dataGrid.variableHeightRows = true;
         dataGrid.copyTextDelimiter = ": ";

         function addDataGridNodeForHeader(name, value) {
             let node = new WI.DataGridNode({name, value});
             dataGrid.appendChild(node);
             return node;
         }

         let contentTypeDataGridNode = addDataGridNodeForHeader("Content-Type", mimeType);
         contentTypeDataGridNode.editable = false;

         for (let name in responseHeaders) {
             if (name.toLowerCase() === "content-type")
                 continue;
             if (name.toLowerCase() === "set-cookie")
                 continue;
             addDataGridNodeForHeader(name, responseHeaders[name]);
         }

         let headersRow = table.appendChild(document.createElement("tr"));
         let headersHeader = headersRow.appendChild(document.createElement("th"));
         let headersData = headersRow.appendChild(document.createElement("td"));
         let headersLabel = headersHeader.appendChild(document.createElement("label"));
         headersLabel.textContent = WI.UIString("Headers");
         headersData.appendChild(dataGrid.element);
         dataGrid.updateLayoutIfNeeded();

         let addHeaderButton = headersData.appendChild(document.createElement("button"));
         addHeaderButton.className = "add-header";
         addHeaderButton.textContent = WI.UIString("Add Header");
         addHeaderButton.addEventListener("click", (event) => {
             let newNode = new WI.DataGridNode({name: "Header", value: "value"});
             dataGrid.appendChild(newNode);
             dataGrid.updateLayoutIfNeeded();
             this.update();
             dataGrid.startEditingNode(newNode);
         });

         let incrementStatusCode = () => {
             let x = parseInt(this._statusCodeCodeMirror.getValue());
             if (isNaN(x) || x >= 999)
                 return;

             if (WI.modifierKeys.shiftKey) {
                 // 200 => 300 and 211 => 300
                 x = (x - (x % 100)) + 100;
             } else
                 x += 1;

             if (x > 999)
                 x = 999;

             this._statusCodeCodeMirror.setValue(`${x}`);
             this._statusCodeCodeMirror.setCursor(this._statusCodeCodeMirror.lineCount(), 0);
         };

         let decrementStatusCode = () => {
             let x = parseInt(this._statusCodeCodeMirror.getValue());
             if (isNaN(x) || x <= 0)
                 return;

             if (WI.modifierKeys.shiftKey) {
                 // 311 => 300 and 300 => 200
                 let original = x;
                 x = (x - (x % 100));
                 if (original === x)
                     x -= 100;
             } else
                 x -= 1;

             if (x < 0)
                 x = 0;

             this._statusCodeCodeMirror.setValue(`${x}`);
             this._statusCodeCodeMirror.setCursor(this._statusCodeCodeMirror.lineCount(), 0);
         };

         this._statusCodeCodeMirror.addKeyMap({
             "Up": incrementStatusCode,
             "Shift-Up": incrementStatusCode,
             "Down": decrementStatusCode,
             "Shift-Down": decrementStatusCode,
         });

         // Update statusText when statusCode changes.
         this._statusCodeCodeMirror.on("change", (cm) => {
             let statusCode = parseInt(cm.getValue());
             let statusText = WI.HTTPUtilities.statusTextForStatusCode(statusCode);
             this._statusTextCodeMirror.setValue(statusText);
         });

         // Update mimeType when URL gets a file extension.
         this._urlCodeMirror.on("change", (cm) => {
             let extension = WI.fileExtensionForURL(cm.getValue());
             if (!extension)
                 return;

             let mimeType = WI.mimeTypeForFileExtension(extension);
             if (!mimeType)
                 return;

             this._mimeTypeCodeMirror.setValue(mimeType);
             contentTypeDataGridNode.data = {name: "Content-Type", value: mimeType};
         });

         // Update Content-Type header when mimeType changes.
         this._mimeTypeCodeMirror.on("change", (cm) => {
             let mimeType = cm.getValue();
             contentTypeDataGridNode.data = {name: "Content-Type", value: mimeType};
         });

         this._serializedDataWhenShown = this.serializedData;

         this.content = popoverContentElement;
         this._presentOverTargetElement();

         // CodeMirror needs a refresh after the popover displays, to layout, otherwise it doesn't appear.
         setTimeout(() => {
             this._urlCodeMirror.refresh();
             this._mimeTypeCodeMirror.refresh();
             this._statusCodeCodeMirror.refresh();
             this._statusTextCodeMirror.refresh();

             this._urlCodeMirror.focus();
             this._urlCodeMirror.setCursor(this._urlCodeMirror.lineCount(), 0);
         });
     }

     // Private

     _createEditor(element, value)
     {
         let codeMirror = WI.CodeMirrorEditor.create(element, {
             extraKeys: {"Tab": false, "Shift-Tab": false},
             lineWrapping: false,
             mode: "text/plain",
             matchBrackets: true,
             placeholder: "http://example.com/index.html",
             scrollbarStyle: null,
             value,
         });

         codeMirror.addKeyMap({
             "Enter": () => { this.dismiss(); },
             "Shift-Enter": () => { this.dismiss(); },
             "Esc": () => { this.dismiss(); },
         });

         return codeMirror;
     }

     _defaultURL()
     {
         // We avoid just doing "http://example.com/" here because users can
         // accidentally override the main resource, even though the popover
         // typically prevents no-edit cases.
         let mainFrame = WI.networkManager.mainFrame;
         if (mainFrame && mainFrame.securityOrigin.startsWith("http"))
             return mainFrame.securityOrigin + "/path";

         return "https://";
     }

     _presentOverTargetElement()
     {
         if (!this._targetElement)
             return;

         let targetFrame = WI.Rect.rectFromClientRect(this._targetElement.getBoundingClientRect());
         this.present(targetFrame, this._preferredEdges);
     }
 };
	/*
	* Copyright (C) 2019 Apple Inc. All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions
	* are met:
	* 1. Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	* 2. Redistributions in binary form must reproduce the above copyright
	* notice, this list of conditions and the following disclaimer in the
	* documentation and/or other materials provided with the distribution.
	*
	* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
	* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
	* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
	* THE POSSIBILITY OF SUCH DAMAGE.
	*/

	WI.LocalResourceOverridePopover = class LocalResourceOverridePopover extends WI.Popover
	{
	constructor(delegate)
	{
	super(delegate);

	this._urlCodeMirror = null;
	this._mimeTypeCodeMirror = null;
	this._statusCodeCodeMirror = null;
	this._statusTextCodeMirror = null;
	this._headersDataGrid = null;

	this._serializedDataWhenShown = null;

	this.windowResizeHandler = this._presentOverTargetElement.bind(this);
	}

	// Public

	get serializedData()
	{
	if (!this._targetElement)
	return null;

	let url = this._urlCodeMirror.getValue();
	if (!url)
	return null;

	const schemes = ["http:", "https:", "file:"];
	if (!schemes.some((scheme) => url.startsWith(scheme)))
	return null;

	// NOTE: We can allow an empty mimeType / statusCode / statusText to pass
	// network values through, but lets require them for overrides so that
	// the popover doesn't have to have an additional state for "pass through".

	let mimeType = this._mimeTypeCodeMirror.getValue();
	if (!mimeType)
	return null;

	let statusCode = parseInt(this._statusCodeCodeMirror.getValue());
	if (isNaN(statusCode) \|\| statusCode < 0)
	return null;

	let statusText = this._statusTextCodeMirror.getValue();
	if (!statusText)
	return null;

	let headers = {};
	for (let node of this._headersDataGrid.children) {
	let {name, value} = node.data;
	if (!name \|\| !value)
	continue;
	if (name.toLowerCase() === "content-type")
	continue;
	if (name.toLowerCase() === "set-cookie")
	continue;
	headers[name] = value;
	}

	let data = {
	url,
	mimeType,
	statusCode,
	statusText,
	headers,
	};

	// No change.
	let oldSerialized = JSON.stringify(this._serializedDataWhenShown);
	let newSerialized = JSON.stringify(data);
	if (oldSerialized === newSerialized)
	return null;

	return data;
	}

	show(localResource, targetElement, preferredEdges)
	{
	this._targetElement = targetElement;
	this._preferredEdges = preferredEdges;

	let url = localResource ? localResource.url : "";
	let mimeType = localResource ? localResource.mimeType : "";
	let statusCode = localResource ? String(localResource.statusCode) : "";
	let statusText = localResource ? localResource.statusText : "";
	let responseHeaders = localResource ? localResource.responseHeaders : {};

	if (!url)
	url = this._defaultURL();
	if (!mimeType)
	mimeType = "text/javascript";
	if (!statusCode \|\| statusCode === "NaN")
	statusCode = "200";
	if (!statusText)
	statusText = WI.HTTPUtilities.statusTextForStatusCode(parseInt(statusCode));

	let popoverContentElement = document.createElement("div");
	popoverContentElement.className = "local-resource-override-popover-content";

	let table = popoverContentElement.appendChild(document.createElement("table"));

	let createRow = (label, id, text) => {
	let row = table.appendChild(document.createElement("tr"));
	let headerElement = row.appendChild(document.createElement("th"));
	let dataElement = row.appendChild(document.createElement("td"));

	let labelElement = headerElement.appendChild(document.createElement("label"));
	labelElement.textContent = label;

	let editorElement = dataElement.appendChild(document.createElement("div"));
	editorElement.classList.add("editor", id);

	let codeMirror = this._createEditor(editorElement, text);
	let inputField = codeMirror.getInputField();
	inputField.id = `local-resource-override-popover-${id}-input-field`;
	labelElement.setAttribute("for", inputField.id);

	return {codeMirror, dataElement};
	};

	let urlRow = createRow(WI.UIString("URL"), "url", url);
	this._urlCodeMirror = urlRow.codeMirror;
	this._urlCodeMirror.setOption("mode", "text/x-local-override-url");

	let mimeTypeRow = createRow(WI.UIString("MIME Type"), "mime", mimeType);
	this._mimeTypeCodeMirror = mimeTypeRow.codeMirror;

	let statusCodeRow = createRow(WI.UIString("Status"), "status", statusCode);
	this._statusCodeCodeMirror = statusCodeRow.codeMirror;

	let statusTextEditorElement = statusCodeRow.dataElement.appendChild(document.createElement("div"));
	statusTextEditorElement.className = "editor status-text";
	this._statusTextCodeMirror = this._createEditor(statusTextEditorElement, statusText);

	let editCallback = () => {};
	let deleteCallback = (node) => {
	if (node === contentTypeDataGridNode)
	return;

	let siblingToSelect = node.nextSibling \|\| node.previousSibling;
	dataGrid.removeChild(node);
	if (siblingToSelect)
	siblingToSelect.select();

	dataGrid.updateLayoutIfNeeded();
	this.update();
	};

	let columns = {
	name: {
	title: WI.UIString("Name"),
	width: "30%",
	},
	value: {
	title: WI.UIString("Value"),
	},
	};

	let dataGrid = this._headersDataGrid = new WI.DataGrid(columns, {editCallback, deleteCallback});
	dataGrid.inline = true;
	dataGrid.variableHeightRows = true;
	dataGrid.copyTextDelimiter = ": ";

	function addDataGridNodeForHeader(name, value) {
	let node = new WI.DataGridNode({name, value});
	dataGrid.appendChild(node);
	return node;
	}

	let contentTypeDataGridNode = addDataGridNodeForHeader("Content-Type", mimeType);
	contentTypeDataGridNode.editable = false;

	for (let name in responseHeaders) {
	if (name.toLowerCase() === "content-type")
	continue;
	if (name.toLowerCase() === "set-cookie")
	continue;
	addDataGridNodeForHeader(name, responseHeaders[name]);
	}

	let headersRow = table.appendChild(document.createElement("tr"));
	let headersHeader = headersRow.appendChild(document.createElement("th"));
	let headersData = headersRow.appendChild(document.createElement("td"));
	let headersLabel = headersHeader.appendChild(document.createElement("label"));
	headersLabel.textContent = WI.UIString("Headers");
	headersData.appendChild(dataGrid.element);
	dataGrid.updateLayoutIfNeeded();

	let addHeaderButton = headersData.appendChild(document.createElement("button"));
	addHeaderButton.className = "add-header";
	addHeaderButton.textContent = WI.UIString("Add Header");
	addHeaderButton.addEventListener("click", (event) => {
	let newNode = new WI.DataGridNode({name: "Header", value: "value"});
	dataGrid.appendChild(newNode);
	dataGrid.updateLayoutIfNeeded();
	this.update();
	dataGrid.startEditingNode(newNode);
	});

	let incrementStatusCode = () => {
	let x = parseInt(this._statusCodeCodeMirror.getValue());
	if (isNaN(x) \|\| x >= 999)
	return;

	if (WI.modifierKeys.shiftKey) {
	// 200 => 300 and 211 => 300
	x = (x - (x % 100)) + 100;
	} else
	x += 1;

	if (x > 999)
	x = 999;

	this._statusCodeCodeMirror.setValue(`${x}`);
	this._statusCodeCodeMirror.setCursor(this._statusCodeCodeMirror.lineCount(), 0);
	};

	let decrementStatusCode = () => {
	let x = parseInt(this._statusCodeCodeMirror.getValue());
	if (isNaN(x) \|\| x <= 0)
	return;

	if (WI.modifierKeys.shiftKey) {
	// 311 => 300 and 300 => 200
	let original = x;
	x = (x - (x % 100));
	if (original === x)
	x -= 100;
	} else
	x -= 1;

	if (x < 0)
	x = 0;

	this._statusCodeCodeMirror.setValue(`${x}`);
	this._statusCodeCodeMirror.setCursor(this._statusCodeCodeMirror.lineCount(), 0);
	};

	this._statusCodeCodeMirror.addKeyMap({
	"Up": incrementStatusCode,
	"Shift-Up": incrementStatusCode,
	"Down": decrementStatusCode,
	"Shift-Down": decrementStatusCode,
	});

	// Update statusText when statusCode changes.
	this._statusCodeCodeMirror.on("change", (cm) => {
	let statusCode = parseInt(cm.getValue());
	let statusText = WI.HTTPUtilities.statusTextForStatusCode(statusCode);
	this._statusTextCodeMirror.setValue(statusText);
	});

	// Update mimeType when URL gets a file extension.
	this._urlCodeMirror.on("change", (cm) => {
	let extension = WI.fileExtensionForURL(cm.getValue());
	if (!extension)
	return;

	let mimeType = WI.mimeTypeForFileExtension(extension);
	if (!mimeType)
	return;

	this._mimeTypeCodeMirror.setValue(mimeType);
	contentTypeDataGridNode.data = {name: "Content-Type", value: mimeType};
	});

	// Update Content-Type header when mimeType changes.
	this._mimeTypeCodeMirror.on("change", (cm) => {
	let mimeType = cm.getValue();
	contentTypeDataGridNode.data = {name: "Content-Type", value: mimeType};
	});

	this._serializedDataWhenShown = this.serializedData;

	this.content = popoverContentElement;
	this._presentOverTargetElement();

	// CodeMirror needs a refresh after the popover displays, to layout, otherwise it doesn't appear.
	setTimeout(() => {
	this._urlCodeMirror.refresh();
	this._mimeTypeCodeMirror.refresh();
	this._statusCodeCodeMirror.refresh();
	this._statusTextCodeMirror.refresh();

	this._urlCodeMirror.focus();
	this._urlCodeMirror.setCursor(this._urlCodeMirror.lineCount(), 0);
	});
	}

	// Private

	_createEditor(element, value)
	{
	let codeMirror = WI.CodeMirrorEditor.create(element, {
	extraKeys: {"Tab": false, "Shift-Tab": false},
	lineWrapping: false,
	mode: "text/plain",
	matchBrackets: true,
	placeholder: "http://example.com/index.html",
	scrollbarStyle: null,
	value,
	});

	codeMirror.addKeyMap({
	"Enter": () => { this.dismiss(); },
	"Shift-Enter": () => { this.dismiss(); },
	"Esc": () => { this.dismiss(); },
	});

	return codeMirror;
	}

	_defaultURL()
	{
	// We avoid just doing "http://example.com/" here because users can
	// accidentally override the main resource, even though the popover
	// typically prevents no-edit cases.
	let mainFrame = WI.networkManager.mainFrame;
	if (mainFrame && mainFrame.securityOrigin.startsWith("http"))
	return mainFrame.securityOrigin + "/path";

	return "https://";
	}

	_presentOverTargetElement()
	{
	if (!this._targetElement)
	return;

	let targetFrame = WI.Rect.rectFromClientRect(this._targetElement.getBoundingClientRect());
	this.present(targetFrame, this._preferredEdges);
	}
	};