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joplin/packages/lib/JoplinServerApi.ts

287 lines
8.7 KiB
TypeScript

import shim from './shim';
import { _ } from './locale';
const { rtrimSlashes } = require('./path-utils.js');
import JoplinError from './JoplinError';
import { Env } from './models/Setting';
import Logger from './Logger';
import personalizedUserContentBaseUrl from './services/joplinServer/personalizedUserContentBaseUrl';
import { getHttpStatusMessage } from './net-utils';
const { stringify } = require('query-string');
const logger = Logger.create('JoplinServerApi');
interface Options {
baseUrl(): string;
userContentBaseUrl(): string;
username(): string;
password(): string;
env?: Env;
}
enum ExecOptionsResponseFormat {
Json = 'json',
Text = 'text',
}
enum ExecOptionsTarget {
String = 'string',
File = 'file',
}
interface ExecOptions {
responseFormat?: ExecOptionsResponseFormat;
target?: ExecOptionsTarget;
path?: string;
source?: string;
}
interface Session {
id: string;
user_id: string;
}
export default class JoplinServerApi {
private options_: Options;
private session_: Session;
private debugRequests_: boolean = false;
public constructor(options: Options) {
this.options_ = options;
if (options.env === Env.Dev) {
// this.debugRequests_ = true;
}
}
public baseUrl() {
return rtrimSlashes(this.options_.baseUrl());
}
public personalizedUserContentBaseUrl(userId: string) {
return personalizedUserContentBaseUrl(userId, this.baseUrl(), this.options_.userContentBaseUrl());
}
private async session() {
if (this.session_) return this.session_;
try {
this.session_ = await this.exec_('POST', 'api/sessions', null, {
email: this.options_.username(),
password: this.options_.password(),
});
return this.session_;
} catch (error) {
logger.error('Could not acquire session:', error.details, '\n', error);
throw error;
}
}
private async sessionId() {
const session = await this.session();
return session ? session.id : '';
}
public get userId(): string {
return this.session_ ? this.session_.user_id : '';
}
public static connectionErrorMessage(error: any) {
const msg = error && error.message ? error.message : 'Unknown error';
return _('Could not connect to Joplin Server. Please check the Synchronisation options in the config screen. Full error was:\n\n%s', msg);
}
private hidePasswords(o: any): any {
if (typeof o === 'string') {
try {
const output = JSON.parse(o);
if (!output) return o;
if (output.password) output.password = '******';
return JSON.stringify(output);
} catch (error) {
return o;
}
} else {
const output = { ...o };
if (output.password) output.password = '******';
if (output['X-API-AUTH']) output['X-API-AUTH'] = '******';
return output;
}
}
private requestToCurl_(url: string, options: any) {
const output = [];
output.push('curl');
output.push('-v');
if (options.method) output.push(`-X ${options.method}`);
if (options.headers) {
const headers = this.hidePasswords(options.headers);
for (const n in options.headers) {
if (!options.headers.hasOwnProperty(n)) continue;
output.push(`${'-H ' + '"'}${n}: ${headers[n]}"`);
}
}
if (options.body) {
const serialized = typeof options.body !== 'string' ? JSON.stringify(this.hidePasswords(options.body)) : this.hidePasswords(options.body);
output.push(`${'--data ' + '\''}${serialized}'`);
}
output.push(`'${url}'`);
return output.join(' ');
}
private async exec_(method: string, path: string = '', query: Record<string, any> = null, body: any = null, headers: any = null, options: ExecOptions = null) {
if (headers === null) headers = {};
if (options === null) options = {};
if (!options.responseFormat) options.responseFormat = ExecOptionsResponseFormat.Json;
if (!options.target) options.target = ExecOptionsTarget.String;
let sessionId = '';
if (path !== 'api/sessions' && !sessionId) {
sessionId = await this.sessionId();
}
if (sessionId) headers['X-API-AUTH'] = sessionId;
headers['X-API-MIN-VERSION'] = '2.6.0'; // Need server 2.6 for new lock support
const fetchOptions: any = {};
fetchOptions.headers = headers;
fetchOptions.method = method;
if (options.path) fetchOptions.path = options.path;
if (body) {
if (typeof body === 'object') {
fetchOptions.body = JSON.stringify(body);
fetchOptions.headers['Content-Type'] = 'application/json';
} else {
fetchOptions.body = body;
}
fetchOptions.headers['Content-Length'] = `${shim.stringByteLength(fetchOptions.body)}`;
}
let url = `${this.baseUrl()}/${path}`;
if (query) {
url += url.indexOf('?') < 0 ? '?' : '&';
url += stringify(query);
}
const startTime = Date.now();
try {
if (this.debugRequests_) {
logger.debug(this.requestToCurl_(url, fetchOptions));
}
let response: any = null;
if (options.source === 'file' && (method === 'POST' || method === 'PUT')) {
if (fetchOptions.path) {
const fileStat = await shim.fsDriver().stat(fetchOptions.path);
if (fileStat) fetchOptions.headers['Content-Length'] = `${fileStat.size}`;
}
response = await shim.uploadBlob(url, fetchOptions);
} else if (options.target === 'string') {
if (typeof body === 'string') fetchOptions.headers['Content-Length'] = `${shim.stringByteLength(body)}`;
response = await shim.fetch(url, fetchOptions);
} else {
// file
response = await shim.fetchBlob(url, fetchOptions);
}
const responseText = await response.text();
if (this.debugRequests_) {
logger.debug('Response', Date.now() - startTime, options.responseFormat, responseText);
}
const shortResponseText = () => {
return (`${responseText}`).substr(0, 1024);
};
// Creates an error object with as much data as possible as it will appear in the log, which will make debugging easier
const newError = (message: string, code: number = 0) => {
// Gives a shorter response for error messages. Useful for cases where a full HTML page is accidentally loaded instead of
// JSON. That way the error message will still show there's a problem but without filling up the log or screen.
// return new JoplinError(`${method} ${path}: ${message} (${code}): ${shortResponseText}`, code);
return new JoplinError(message, code, `${method} ${path}: ${message} (${code}): ${shortResponseText()}`);
};
let responseJson_: any = null;
const loadResponseJson = async () => {
if (!responseText) return null;
if (responseJson_) return responseJson_;
responseJson_ = JSON.parse(responseText);
if (!responseJson_) throw newError('Cannot parse JSON response', response.status);
return responseJson_;
};
if (!response.ok) {
if (options.target === 'file') throw newError(`Cannot transfer file: ${await response.text()}`, response.status);
let json = null;
try {
json = await loadResponseJson();
} catch (error) {
// Just send back the plain text in newErro()
}
if (json && json.error) {
throw newError(`${json.error}`, json.code ? json.code : response.status);
}
// "Unknown error" means it probably wasn't generated by the
// application but for example by the Nginx or Apache reverse
// proxy. So in that case we attach the response content to the
// error message so that it shows up in logs. It might be for
// example an error returned by the Nginx or Apache reverse
// proxy. For example:
//
// <html>
// <head><title>413 Request Entity Too Large</title></head>
// <body>
// <center><h1>413 Request Entity Too Large</h1></center>
// <hr><center>nginx/1.18.0 (Ubuntu)</center>
// </body>
// </html>
throw newError(`Error ${response.status} ${getHttpStatusMessage(response.status)}: ${shortResponseText()}`, response.status);
}
if (options.responseFormat === 'text') return responseText;
const output = await loadResponseJson();
return output;
} catch (error) {
// Don't print error info for file not found (handled by the
// driver), or lock-acquisition errors because it's handled by
// LockHandler.
if (![404, 'hasExclusiveLock', 'hasSyncLock'].includes(error.code)) {
logger.warn(this.requestToCurl_(url, fetchOptions));
logger.warn('Code:', error.code);
logger.warn(error);
}
throw error;
}
}
public async exec(method: string, path: string = '', query: Record<string, any> = null, body: any = null, headers: any = null, options: ExecOptions = null) {
for (let i = 0; i < 2; i++) {
try {
const response = await this.exec_(method, path, query, body, headers, options);
return response;
} catch (error) {
if (error.code === 403 && i === 0) {
logger.info('Session expired or invalid - trying to login again', error);
this.session_ = null; // By setting it to null, the service will try to login again
} else {
throw error;
}
}
}
}
}