aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--ext/bg/js/backend.js12
-rw-r--r--ext/bg/js/settings/backup.js226
-rw-r--r--ext/bg/js/util.js9
-rw-r--r--ext/bg/settings.html49
4 files changed, 296 insertions, 0 deletions
diff --git a/ext/bg/js/backend.js b/ext/bg/js/backend.js
index 245e3de2..3c8a068b 100644
--- a/ext/bg/js/backend.js
+++ b/ext/bg/js/backend.js
@@ -129,6 +129,18 @@ class Backend {
return this.options;
}
+ async setFullOptions(options) {
+ if (this.isPreparedPromise !== null) {
+ await this.isPreparedPromise;
+ }
+ try {
+ this.options = JsonSchema.getValidValueOrDefault(this.optionsSchema, utilIsolate(options));
+ } catch (e) {
+ // This shouldn't happen, but catch errors just in case of bugs
+ logError(e);
+ }
+ }
+
async getOptions(optionsContext) {
if (this.isPreparedPromise !== null) {
await this.isPreparedPromise;
diff --git a/ext/bg/js/settings/backup.js b/ext/bg/js/settings/backup.js
index 6494cd65..1e099288 100644
--- a/ext/bg/js/settings/backup.js
+++ b/ext/bg/js/settings/backup.js
@@ -115,8 +115,234 @@ async function _onSettingsExportClick() {
}
+// Importing
+
+async function _settingsImportSetOptionsFull(optionsFull) {
+ return utilIsolate(await utilBackend().setFullOptions(
+ utilBackgroundIsolate(optionsFull)
+ ));
+}
+
+function _showSettingsImportError(error) {
+ logError(error);
+ document.querySelector('#settings-import-error-modal-message').textContent = `${error}`;
+ $('#settings-import-error-modal').modal('show');
+}
+
+async function _showSettingsImportWarnings(warnings) {
+ const modalNode = $('#settings-import-warning-modal');
+ const buttons = document.querySelectorAll('.settings-import-warning-modal-import-button');
+ const messageContainer = document.querySelector('#settings-import-warning-modal-message');
+ if (modalNode.length === 0 || buttons.length === 0 || messageContainer === null) {
+ return {result: false};
+ }
+
+ // Set message
+ const fragment = document.createDocumentFragment();
+ for (const warning of warnings) {
+ const node = document.createElement('li');
+ node.textContent = `${warning}`;
+ fragment.appendChild(node);
+ }
+ messageContainer.textContent = '';
+ messageContainer.appendChild(fragment);
+
+ // Show modal
+ modalNode.modal('show');
+
+ // Wait for modal to close
+ return new Promise((resolve) => {
+ const onButtonClick = (e) => {
+ e.preventDefault();
+ complete({
+ result: true,
+ sanitize: e.currentTarget.dataset.importSanitize === 'true'
+ });
+ modalNode.modal('hide');
+
+ };
+ const onModalHide = () => {
+ complete({result: false});
+ };
+
+ let completed = false;
+ const complete = (result) => {
+ if (completed) { return; }
+ completed = true;
+
+ modalNode.off('hide.bs.modal', onModalHide);
+ for (const button of buttons) {
+ button.removeEventListener('click', onButtonClick, false);
+ }
+
+ resolve(result);
+ };
+
+ // Hook events
+ modalNode.on('hide.bs.modal', onModalHide);
+ for (const button of buttons) {
+ button.addEventListener('click', onButtonClick, false);
+ }
+ });
+}
+
+function _isLocalhostUrl(urlString) {
+ try {
+ const url = new URL(urlString);
+ switch (url.hostname.toLowerCase()) {
+ case 'localhost':
+ case '127.0.0.1':
+ case '[::1]':
+ switch (url.protocol.toLowerCase()) {
+ case 'http:':
+ case 'https:':
+ return true;
+ }
+ break;
+ }
+ } catch (e) {
+ // NOP
+ }
+ return false;
+}
+
+function _settingsImportSanitizeProfileOptions(options, dryRun) {
+ const warnings = [];
+
+ const anki = options.anki;
+ if (isObject(anki)) {
+ const fieldTemplates = anki.fieldTemplates;
+ if (typeof fieldTemplates === 'string') {
+ warnings.push('anki.fieldTemplates contains a non-default value');
+ if (!dryRun) {
+ delete anki.fieldTemplates;
+ }
+ }
+ const server = anki.server;
+ if (typeof server === 'string' && server.length > 0 && !_isLocalhostUrl(server)) {
+ warnings.push('anki.server uses a non-localhost URL');
+ if (!dryRun) {
+ delete anki.server;
+ }
+ }
+ }
+
+ const audio = options.audio;
+ if (isObject(audio)) {
+ const customSourceUrl = audio.customSourceUrl;
+ if (typeof customSourceUrl === 'string' && customSourceUrl.length > 0 && !_isLocalhostUrl(customSourceUrl)) {
+ warnings.push('audio.customSourceUrl uses a non-localhost URL');
+ if (!dryRun) {
+ delete audio.customSourceUrl;
+ }
+ }
+ }
+
+ return warnings;
+}
+
+function _settingsImportSanitizeOptions(optionsFull, dryRun) {
+ const warnings = new Set();
+
+ const profiles = optionsFull.profiles;
+ if (Array.isArray(profiles)) {
+ for (const profile of profiles) {
+ if (!isObject(profile)) { continue; }
+ const options = profile.options;
+ if (!isObject(options)) { continue; }
+
+ const warnings2 = _settingsImportSanitizeProfileOptions(options, dryRun);
+ for (const warning of warnings2) {
+ warnings.add(warning);
+ }
+ }
+ }
+
+ return warnings;
+}
+
+function _utf8Decode(arrayBuffer) {
+ try {
+ return new TextDecoder('utf-8').decode(arrayBuffer);
+ } catch (e) {
+ const binaryString = String.fromCharCode.apply(null, new Uint8Array(arrayBuffer));
+ return decodeURIComponent(escape(binaryString));
+ }
+}
+
+async function _importSettingsFile(file) {
+ const dataString = _utf8Decode(await utilReadFileArrayBuffer(file));
+ const data = JSON.parse(dataString);
+
+ // Type check
+ if (!isObject(data)) {
+ throw new Error(`Invalid data type: ${typeof data}`);
+ }
+
+ // Version check
+ const version = data.version;
+ if (!(
+ typeof version === 'number' &&
+ Number.isFinite(version) &&
+ version === Math.floor(version)
+ )) {
+ throw new Error(`Invalid version: ${version}`);
+ }
+
+ if (!(
+ version >= 0 &&
+ version <= SETTINGS_EXPORT_CURRENT_VERSION
+ )) {
+ throw new Error(`Unsupported version: ${version}`);
+ }
+
+ // Verify options exists
+ let optionsFull = data.options;
+ if (!isObject(optionsFull)) {
+ throw new Error(`Invalid options type: ${typeof optionsFull}`);
+ }
+
+ // Upgrade options
+ optionsFull = optionsUpdateVersion(optionsFull, {});
+
+ // Check for warnings
+ const sanitizationWarnings = _settingsImportSanitizeOptions(optionsFull, true);
+
+ // Show sanitization warnings
+ if (sanitizationWarnings.size > 0) {
+ const {result, sanitize} = await _showSettingsImportWarnings(sanitizationWarnings);
+ if (!result) { return; }
+
+ if (sanitize !== false) {
+ _settingsImportSanitizeOptions(optionsFull, false);
+ }
+ }
+
+ // Assign options
+ await _settingsImportSetOptionsFull(optionsFull);
+
+ // Reload settings page
+ window.location.reload();
+}
+
+function _onSettingsImportClick() {
+ document.querySelector('#settings-import-file').click();
+}
+
+function _onSettingsImportFileChange(e) {
+ const files = e.target.files;
+ if (files.length === 0) { return; }
+
+ const file = files[0];
+ e.target.value = null;
+ _importSettingsFile(file).catch(_showSettingsImportError);
+}
+
+
// Setup
window.addEventListener('DOMContentLoaded', () => {
document.querySelector('#settings-export').addEventListener('click', _onSettingsExportClick, false);
+ document.querySelector('#settings-import').addEventListener('click', _onSettingsImportClick, false);
+ document.querySelector('#settings-import-file').addEventListener('change', _onSettingsImportFileChange, false);
}, false);
diff --git a/ext/bg/js/util.js b/ext/bg/js/util.js
index 0527dc0b..4c989642 100644
--- a/ext/bg/js/util.js
+++ b/ext/bg/js/util.js
@@ -155,3 +155,12 @@ function utilReadFile(file) {
reader.readAsBinaryString(file);
});
}
+
+function utilReadFileArrayBuffer(file) {
+ return new Promise((resolve, reject) => {
+ const reader = new FileReader();
+ reader.onload = () => resolve(reader.result);
+ reader.onerror = () => reject(reader.error);
+ reader.readAsArrayBuffer(file);
+ });
+}
diff --git a/ext/bg/settings.html b/ext/bg/settings.html
index ec0e2939..56b5610e 100644
--- a/ext/bg/settings.html
+++ b/ext/bg/settings.html
@@ -866,6 +866,55 @@
<div>
<button class="btn btn-default" id="settings-export">Export Settings</button>
+ <button class="btn btn-default" id="settings-import">Import Settings</button>
+ </div>
+
+ <div hidden><input type="file" id="settings-import-file" accept=".json,application/json"></div>
+
+ <div class="modal fade" tabindex="-1" role="dialog" id="settings-import-error-modal">
+ <div class="modal-dialog modal-dialog-centered">
+ <div class="modal-content">
+ <div class="modal-header">
+ <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
+ <h4 class="modal-title">Import Error</h4>
+ </div>
+ <div class="modal-body">
+ <p>
+ An error occurred while trying to import the settings file:
+ </p>
+ <p class="text-danger" id="settings-import-error-modal-message"></p>
+ <p>
+ Additional info can be found in the developer console.
+ </p>
+ </div>
+ <div class="modal-footer">
+ <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
+ </div>
+ </div>
+ </div>
+ </div>
+
+ <div class="modal fade" tabindex="-1" role="dialog" id="settings-import-warning-modal">
+ <div class="modal-dialog modal-dialog-centered">
+ <div class="modal-content">
+ <div class="modal-header">
+ <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
+ <h4 class="modal-title">Import Security Warning</h4>
+ </div>
+ <div class="modal-body">
+ <p>
+ Settings file contains settings which may pose a security risk.
+ Only import settings from sources you trust.
+ </p>
+ <ul class="text-danger" id="settings-import-warning-modal-message"></ul>
+ </div>
+ <div class="modal-footer">
+ <button type="button" class="btn btn-default" data-dismiss="modal">Cancel</button>
+ <button type="button" class="btn btn-danger settings-import-warning-modal-import-button">Import</button>
+ <button type="button" class="btn btn-primary settings-import-warning-modal-import-button" data-import-sanitize="true">Sanitize and Import</button>
+ </div>
+ </div>
+ </div>
</div>
</div>