[rs-commit] r33 - in /redwax-signtext/trunk/src/linux/firefox: ./ _locales/ _locales/en/ images/
rs-commit at redwax.eu
rs-commit at redwax.eu
Sat Sep 3 15:31:42 CEST 2022
Author: minfrin at redwax.eu
Date: Sat Sep 3 15:31:42 2022
New Revision: 33
Log:
Initial add of the linux firefox extension.
Added:
redwax-signtext/trunk/src/linux/firefox/
redwax-signtext/trunk/src/linux/firefox/Makefile
redwax-signtext/trunk/src/linux/firefox/README.md
redwax-signtext/trunk/src/linux/firefox/_locales/
redwax-signtext/trunk/src/linux/firefox/_locales/en/
redwax-signtext/trunk/src/linux/firefox/_locales/en/messages.json (with props)
redwax-signtext/trunk/src/linux/firefox/background.js
redwax-signtext/trunk/src/linux/firefox/content.js
redwax-signtext/trunk/src/linux/firefox/images/
redwax-signtext/trunk/src/linux/firefox/images/icon-128.png (with props)
redwax-signtext/trunk/src/linux/firefox/images/icon-256.png (with props)
redwax-signtext/trunk/src/linux/firefox/images/icon-48.png (with props)
redwax-signtext/trunk/src/linux/firefox/images/icon-512.png (with props)
redwax-signtext/trunk/src/linux/firefox/images/icon-64.png (with props)
redwax-signtext/trunk/src/linux/firefox/images/icon-96.png (with props)
redwax-signtext/trunk/src/linux/firefox/images/toolbar-icon-16.png (with props)
redwax-signtext/trunk/src/linux/firefox/images/toolbar-icon-19.png (with props)
redwax-signtext/trunk/src/linux/firefox/images/toolbar-icon-32.png (with props)
redwax-signtext/trunk/src/linux/firefox/images/toolbar-icon-38.png (with props)
redwax-signtext/trunk/src/linux/firefox/images/toolbar-icon-48.png (with props)
redwax-signtext/trunk/src/linux/firefox/images/toolbar-icon-72.png (with props)
redwax-signtext/trunk/src/linux/firefox/manifest.json (with props)
Added: redwax-signtext/trunk/src/linux/firefox/Makefile
==============================================================================
--- redwax-signtext/trunk/src/linux/firefox/Makefile (added)
+++ redwax-signtext/trunk/src/linux/firefox/Makefile Sat Sep 3 15:31:42 2022
@@ -0,0 +1,12 @@
+
+all: ./$(TARGET_TEMP_DIR)/redwax_signtext_extension-*.zip
+
+./$(TARGET_TEMP_DIR)/redwax_signtext_extension-*.zip: manifest.json *.js _locales/*/messages.json images/*
+ web-ext build --overwrite-dest --artifacts-dir "./$(TARGET_TEMP_DIR)"
+
+lint:
+ web-ext lint
+
+clean:
+ rm -rf "./$(TARGET_TEMP_DIR)/redwax_signtext_extension-*.zip"
+
Added: redwax-signtext/trunk/src/linux/firefox/README.md
==============================================================================
--- redwax-signtext/trunk/src/linux/firefox/README.md (added)
+++ redwax-signtext/trunk/src/linux/firefox/README.md Sat Sep 3 15:31:42 2022
@@ -0,0 +1,12 @@
+# experimental
+
+This contains an attempt to use signText returning a ReadableStream that returns
+Promises.
+
+The Promise so returned does not have the correct permissions to be run from the
+page scope, and all attempts fail as follows:
+
+ Error: Permission denied to access property "then"
+
+Giving up for now.
+
Added: redwax-signtext/trunk/src/linux/firefox/_locales/en/messages.json
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Added: redwax-signtext/trunk/src/linux/firefox/background.js
==============================================================================
--- redwax-signtext/trunk/src/linux/firefox/background.js (added)
+++ redwax-signtext/trunk/src/linux/firefox/background.js Sat Sep 3 15:31:42 2022
@@ -0,0 +1,116 @@
+
+console.log('Redwax SignText: background started');
+
+var csPorts = [];
+//var nativePort = undefined;
+
+function nativeMessaged(m) {
+
+ console.log('Redwax SignText: background: message received from native: ', m);
+
+ /*
+ * Native message response is handled here. Send the message
+ * to the correctly numbered content script.
+ */
+ window.csPorts.forEach(p => {
+ if (p.sender.tab.id == m.id) {
+
+ console.log('Redwax SignText: background: message passed from native to content: ', m);
+
+ p.postMessage({ uuid: m.uuid, response: m.response, contentType: m.contentType });
+ }
+ });
+}
+
+function nativeDisconnected(p) {
+
+ window.nativePort.onMessage.removeListener(nativeMessaged);
+ window.nativePort.onDisconnect.removeListener(nativeDisconnected);
+
+// window.nativePort.disconnect();
+ window.nativePort = undefined;
+
+ window.csPorts.forEach(cp => {
+ cp.postMessage({ error: 'error:nativeDisconnected', exception: p.error.message });
+ });
+ console.log('Redwax SignText: native port disconnected.');
+}
+
+function connected(p) {
+ window.csPorts[p.sender.tab.id] = p;
+ console.log('Redwax SignText: background: connection received from content: ', p);
+ messageHandler = function(m) {
+
+ console.log('Redwax SignText: background: message received from content: ', m);
+
+ if (typeof window.nativePort === 'undefined') {
+
+ console.log('Redwax SignText: background: open native port (attempt one)');
+
+ window.nativePort = browser.runtime.connectNative('eu.redwax.Redwax.SignText');
+ window.nativePort.onMessage.addListener(nativeMessaged);
+ window.nativePort.onDisconnect.addListener(nativeDisconnected);
+ }
+
+ let url = p.sender.tab.url ? p.sender.tab.url : p.sender.url ? p.sender.url : "No URL";
+
+ console.log('Redwax SignText: background: nativeport created');
+
+ try {
+ /*
+ * Let's try send the message on the assumption the port is
+ * open and works. On failure, try to open the port and retry.
+ */
+
+ console.log('Redwax SignText: background: send message (attempt one)');
+
+ window.nativePort.postMessage({ url: url, id: p.sender.tab.id, uuid: m.uuid, request: m.request, contentType: m.contentType });
+ }
+ catch (exception) {
+
+ console.log('Redwax SignText: background: open native port (attempt two)');
+
+ /*
+ * Not able to send the message. (Re)open the port and try
+ * once more.
+ */
+ window.nativePort = browser.runtime.connectNative('eu.redwax.Redwax.SignText');
+ window.nativePort.onMessage.addListener(nativeMessaged);
+ window.nativePort.onDisconnect.addListener(nativeDisconnected);
+
+ /*
+ * One more try to send the message.
+ */
+ try {
+ console.log('Redwax SignText: background: send message (attempt two)');
+ window.nativePort.postMessage({ url: url, id: p.sender.tab.id, uuid: m.uuid, request: m.request, contentType: m.contentType });
+ }
+ catch (exception) {
+
+ window.nativePort = undefined;
+
+ /*
+ * No luck, send a message back to the content script with
+ * the bad news.
+ */
+ console.log('Redwax SignText: postNativeMessageFailed: ', exception);
+ p.postMessage({ uuid: m.uuid, error: 'error:postNativeMessageFailed', exception: exception.message });
+
+ }
+
+ }
+
+ };
+
+ p.onMessage.addListener(messageHandler);
+
+ p.onDisconnect.addListener(function(p) {
+ p.onMessage.removeListener(messageHandler);
+ console.log('Redwax SignText: tab ' + p.sender.tab.id + ' disconnected.');
+ delete csPorts[p.sender.tab.id];
+ });
+}
+
+browser.runtime.onConnect.addListener(connected);
+
+console.log('Redwax SignText: background ended');
Added: redwax-signtext/trunk/src/linux/firefox/content.js
==============================================================================
--- redwax-signtext/trunk/src/linux/firefox/content.js (added)
+++ redwax-signtext/trunk/src/linux/firefox/content.js Sat Sep 3 15:31:42 2022
@@ -0,0 +1,389 @@
+/*
+ * Handle all background script events, passing them as
+ * appropriate to the webpage.
+ */
+const port = browser.runtime.connect('rst at redwax.eu', {
+ name: window.location.href
+});
+
+/*
+ * Firefox
+ * =======
+ *
+ * We cannot document.dispatchEvent on Firefox. Instead, declare a crypto.signText function
+ * using exportFunction to pass the messages.
+ */
+if (typeof exportFunction == 'function') {
+
+ function stringReader(str) {
+ var offset = 0;
+ const chunkSize = 10;
+ return new ReadableStream({
+ pull(controller) {
+ var nextOffset = offset + chunkSize;
+ if (nextOffset >= str.length) {
+ nextOffset = str.length;
+ controller.enqueue(str.substring(offset, nextOffset));
+ controller.close();
+ } else {
+ controller.enqueue(str.substring(offset, nextOffset));
+ }
+ offset = nextOffset;
+ }
+ });
+ }
+
+ function uuidv4() {
+ return ([1e7] + -1e3 + -4e3 + -8e3 + -1e11).replace(/[018]/g, c =>
+ (c ^ crypto.getRandomValues(new Uint8Array(1))[0] & 15 >> c / 4).toString(16)
+ );
+ }
+
+ function signTextReader(requestStream, options, ...CAs) {
+ const uuid = uuidv4();
+ const reader = requestStream.getReader();
+
+ underlyingSource = new window.wrappedJSObject.Object();
+
+ underlyingSource.start = exportFunction(
+ function(controller) {
+
+ function push() {
+ reader.read().then(({
+ done,
+ value
+ }) => {
+
+ try {
+ if (!done) {
+ port.postMessage({
+ protocol: location.protocol,
+ hostname: location.hostname,
+ contentType: 'text/plain',
+ uuid: uuid,
+ request: value
+ });
+ } else {
+ port.postMessage({
+ protocol: location.protocol,
+ hostname: location.hostname,
+ contentType: 'text/plain',
+ uuid: uuid,
+ request: {
+ signText: options,
+ CAs: CAs
+ }
+ });
+ }
+
+ } catch (exception) {
+
+ const response = new window.wrappedJSObject.Error('error:postMessageFailed');
+
+ return new window.wrappedJSObject.Promise(
+ exportFunction(
+ function(resolve, reject) {
+ reject(response);
+ }, window.wrappedJSObject
+ )
+ );
+ }
+ });
+ }
+
+ const signTextHandler = function(e) {
+ /* message not for us */
+ if (!(e.uuid === undefined) && !(e.uuid === uuid)) {
+ /* do nothing */
+ }
+ /* an error was received, cancel the stream */
+ else if (e.error) {
+ const error = new window.wrappedJSObject.Error(e.error);
+ controller.enqueue(error);
+ controller.close();
+ port.onMessage.removeListener(signTextHandler);
+ }
+ /* an ack was received, send the next chunk */
+ else if (e.response === true) {
+ push();
+ }
+ /* an eos was received, we're done */
+ else if (e.response === false) {
+ controller.close();
+ port.onMessage.removeListener(signTextHandler);
+ }
+ /* a response was received, enqueue the response */
+ else {
+ controller.enqueue(e.response);
+ }
+ };
+
+ /* add our listener */
+ port.onMessage.addListener(signTextHandler);
+
+ port.onDisconnect.addListener((p) => {
+ if (p.error) {
+ console.log(`Redwax SignText: disconnected due to an error: ${p.error.message}`);
+ } else {
+ console.log(`Redwax SignText: disconnected`);
+ }
+ });
+
+ /* fire off initial request */
+ push();
+
+ }, window.wrappedJSObject
+ );
+
+// underlyingSource.type = "bytes";
+
+ return new ReadableStream(underlyingSource);
+ }
+
+ function readerStreamToString(stream, stringResolve, stringReject) {
+ const reader = stream.getReader();
+ let result = '';
+
+ let processText = function processText({done, value}) {
+ if (Object.prototype.toString.call(value) === "[object Error]") {
+ stringReject(value);
+ } else if (done) {
+ console.log("Stream complete:" + result);
+ stringResolve(result);
+ } else {
+ result += value;
+ reader.read().then(processText);
+ }
+ };
+
+ return new Promise((resolve, reject) => {
+ resolve( reader.read().then(processText) );
+ });
+ }
+
+ signText = function SignText(source, options, ...CAs) {
+
+ var requestStream;
+
+ if (typeof source === 'undefined') {
+
+ /*
+ * We've been asked for info about the signtext extension.
+ *
+ * This can be used to detect support for the extension
+ * before trying to use it.
+ */
+
+ const manifest = browser.runtime.getManifest();
+ const response = cloneInto({
+ name: manifest.name,
+ version: manifest.version
+ }, window.wrappedJSObject);
+
+ return new window.wrappedJSObject.Promise(
+ exportFunction(
+ function(resolve, reject) {
+ resolve(response);
+ }, window.wrappedJSObject
+ )
+ );
+
+ }
+
+
+ /* pass a string, we return a string */
+ if (typeof source === 'string') {
+ var requestStream = stringReader(source);
+ }
+
+ /* consume a ReadableStream */
+ else if (source instanceof ReadableStream) {
+ var requestStream = source;
+ } else {
+
+ const response = new window.wrappedJSObject.Error('error:unknownType');
+
+ return new window.wrappedJSObject.Promise(
+ exportFunction(
+ function(resolve, reject) {
+ reject(response);
+ }, window.wrappedJSObject
+ )
+ );
+ }
+
+ const responseStream = signTextReader(requestStream, options, CAs);
+
+ /* pass a string, we return a string */
+ if (typeof source === 'string') {
+
+ /* take promise functions outside for later callback */
+
+ var stringResolve;
+ var stringReject;
+
+ var promise = new window.wrappedJSObject.Promise(
+ exportFunction(
+ function(resolve, reject) {
+ stringResolve = resolve;
+ stringReject = reject;
+ }, window.wrappedJSObject
+ )
+ );
+
+ /* start doing the work in the realm of the content script */
+ readerStreamToString(responseStream, stringResolve, stringReject)
+
+ /* send the page our wrapped promise, which we'll resolve above */
+ return promise;
+
+ }
+
+ /* return a ReadableStream */
+ else {
+ return responseStream;
+ }
+
+ };
+
+ exportFunction(signText, window.crypto, {
+ defineAs: "signText"
+ });
+
+}
+
+/*
+ * Chrome / Safari
+ * ===============
+ *
+ * We cannot exportFunction on Chrome or Safari. Instead, pass messages using document.dispatchEvent
+ * to get data back and forth.
+ */
+else {
+
+ port.onMessage.addListener((message) => {
+ document.dispatchEvent(new CustomEvent('eu.redwax.signTextResponse', {
+ bubbles: true,
+ detail: message
+ }));
+ });
+
+ port.onDisconnect.addListener((p) => {
+ if (p.error) {
+ console.log(`Redwax SignText: disconnected due to an error: ${p.error.message}`);
+ } else {
+ console.log(`Redwax SignText: disconnected`);
+ }
+ });
+
+
+ /*
+ * Handle all webpage signtext info events, return our version
+ * information.
+ */
+ document.addEventListener('eu.redwax.signTextRequestInfo', function(e) {
+ /*
+ * We've been asked for info about the signtext extension.
+ *
+ * This can be used to detect support for the extension
+ * before trying to use it.
+ */
+ const manifest = browser.runtime.getManifest();
+ e.target.dispatchEvent(new CustomEvent('eu.redwax.signTextResponseInfo', {
+ bubbles: true,
+ detail: {
+ name: manifest.name,
+ version: manifest.version
+ }
+ }));
+
+ });
+
+ /*
+ * Handle all webpage signtext events, passing them as approriate
+ * to the background script.
+ */
+ document.addEventListener('eu.redwax.signTextRequest', function(e) {
+ /*
+ * We've been asked to sign a specific request. Check the
+ * request, and pass the request to the background if the
+ * check passes.
+ */
+ if (e.detail.request) {
+
+ /*
+ * UUID valid? If not, complain.
+ */
+ if (typeof e.detail.uuid !== 'string') {
+ /* error - uuid is missing or invalid */
+ e.target.dispatchEvent(new CustomEvent('eu.redwax.signTextResponse', {
+ bubbles: true,
+ detail: {
+ uuid: e.detail.uuid,
+ error: 'error:uuidInvalid'
+ }
+ }));
+ }
+
+ /*
+ * Hostname valid? If not, complain.
+ */
+ if (typeof e.detail.hostname !== 'string') {
+ /* error - hostname is missing or invalid */
+ e.target.dispatchEvent(new CustomEvent('eu.redwax.signTextResponse', {
+ bubbles: true,
+ detail: {
+ uuid: e.detail.uuid,
+ error: 'error:hostnameInvalid'
+ }
+ }));
+ }
+
+ /*
+ * Content Type valid? If not, complain.
+ */
+ switch (e.detail.contentType) {
+ case undefined:
+ case 'text/plain':
+ case 'application/pkcs7-mime': {
+
+ /*
+ * Checks have passed, send message to background script.
+ */
+ try {
+ port.postMessage({
+ uuid: e.detail.uuid,
+ hostname: e.hostname,
+ protocol: e.protocol,
+ request: e.detail.request,
+ contentType: e.detail.contentType
+ });
+ } catch (exception) {
+ e.target.dispatchEvent(new CustomEvent('eu.redwax.signTextResponse', {
+ bubbles: true,
+ detail: {
+ uuid: e.detail.uuid,
+ error: 'error:postMessageFailed',
+ exception: exception
+ }
+ }));
+ }
+
+ break;
+ }
+ default: {
+ /* error - mime type unrecognised */
+ e.target.dispatchEvent(new CustomEvent('eu.redwax.signTextResponse', {
+ bubbles: true,
+ detail: {
+ uuid: e.detail.uuid,
+ error: 'error:contentTypeUnrecognised'
+ }
+ }));
+ }
+ }
+
+ }
+ });
+
+}
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