@slack/web-api
Version:
Official library for using the Slack Platform's Web API
750 lines • 38.4 kB
JavaScript
;
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Object.defineProperty(exports, "__esModule", { value: true });
exports.buildThreadTsWarningMessage = exports.WebClient = exports.WebClientEvent = void 0;
const querystring_1 = require("querystring");
const path_1 = require("path");
const is_stream_1 = __importDefault(require("is-stream"));
const p_queue_1 = __importDefault(require("p-queue"));
const p_retry_1 = __importStar(require("p-retry"));
const axios_1 = __importDefault(require("axios"));
const form_data_1 = __importDefault(require("form-data"));
const is_electron_1 = __importDefault(require("is-electron"));
const zlib_1 = __importDefault(require("zlib"));
const util_1 = require("util");
const methods_1 = require("./methods");
const instrument_1 = require("./instrument");
const errors_1 = require("./errors");
const logger_1 = require("./logger");
const retry_policies_1 = require("./retry-policies");
const helpers_1 = __importDefault(require("./helpers"));
const file_upload_1 = require("./file-upload");
/*
* Helpers
*/
const defaultFilename = 'Untitled';
const defaultPageSize = 200;
const noopPageReducer = () => undefined;
var WebClientEvent;
(function (WebClientEvent) {
// TODO: safe to rename this to conform to PascalCase enum type naming convention?
// eslint-disable-next-line @typescript-eslint/naming-convention
WebClientEvent["RATE_LIMITED"] = "rate_limited";
})(WebClientEvent = exports.WebClientEvent || (exports.WebClientEvent = {}));
/**
* A client for Slack's Web API
*
* This client provides an alias for each {@link https://api.slack.com/methods|Web API method}. Each method is
* a convenience wrapper for calling the {@link WebClient#apiCall} method using the method name as the first parameter.
*/
class WebClient extends methods_1.Methods {
/**
* @param token - An API token to authenticate/authorize with Slack (usually start with `xoxp`, `xoxb`)
*/
constructor(token, { slackApiUrl = 'https://slack.com/api/', logger = undefined, logLevel = undefined, maxRequestConcurrency = 100, retryConfig = retry_policies_1.tenRetriesInAboutThirtyMinutes, agent = undefined, tls = undefined, timeout = 0, rejectRateLimitedCalls = false, headers = {}, teamId = undefined, } = {}) {
super();
this.token = token;
this.slackApiUrl = slackApiUrl;
this.retryConfig = retryConfig;
this.requestQueue = new p_queue_1.default({ concurrency: maxRequestConcurrency });
// NOTE: may want to filter the keys to only those acceptable for TLS options
this.tlsConfig = tls !== undefined ? tls : {};
this.rejectRateLimitedCalls = rejectRateLimitedCalls;
this.teamId = teamId;
// Logging
if (typeof logger !== 'undefined') {
this.logger = logger;
if (typeof logLevel !== 'undefined') {
this.logger.debug('The logLevel given to WebClient was ignored as you also gave logger');
}
}
else {
this.logger = (0, logger_1.getLogger)(WebClient.loggerName, logLevel !== null && logLevel !== void 0 ? logLevel : logger_1.LogLevel.INFO, logger);
}
// eslint-disable-next-line no-param-reassign
if (this.token && !headers.Authorization)
headers.Authorization = `Bearer ${this.token}`;
this.axios = axios_1.default.create({
timeout,
baseURL: slackApiUrl,
headers: (0, is_electron_1.default)() ? headers : Object.assign({ 'User-Agent': (0, instrument_1.getUserAgent)() }, headers),
httpAgent: agent,
httpsAgent: agent,
transformRequest: [this.serializeApiCallOptions.bind(this)],
validateStatus: () => true,
maxRedirects: 0,
// disabling axios' automatic proxy support:
// axios would read from envvars to configure a proxy automatically, but it doesn't support TLS destinations.
// for compatibility with https://api.slack.com, and for a larger set of possible proxies (SOCKS or other
// protocols), users of this package should use the `agent` option to configure a proxy.
proxy: false,
});
// serializeApiCallOptions will always determine the appropriate content-type
delete this.axios.defaults.headers.post['Content-Type'];
this.logger.debug('initialized');
}
/**
* Generic method for calling a Web API method
*
* @param method - the Web API method to call {@link https://api.slack.com/methods}
* @param options - options
*/
async apiCall(method, options = {}) {
this.logger.debug(`apiCall('${method}') start`);
warnDeprecations(method, this.logger);
warnIfFallbackIsMissing(method, this.logger, options);
warnIfThreadTsIsNotString(method, this.logger, options);
if (typeof options === 'string' || typeof options === 'number' || typeof options === 'boolean') {
throw new TypeError(`Expected an options argument but instead received a ${typeof options}`);
}
(0, file_upload_1.warnIfNotUsingFilesUploadV2)(method, this.logger);
if (method === 'files.uploadV2')
return this.filesUploadV2(options);
const headers = {};
if (options.token)
headers.Authorization = `Bearer ${options.token}`;
const response = await this.makeRequest(method, Object.assign({ team_id: this.teamId }, options), headers);
const result = await this.buildResult(response);
this.logger.debug(`http request result: ${JSON.stringify(result)}`);
// log warnings in response metadata
if (result.response_metadata !== undefined && result.response_metadata.warnings !== undefined) {
result.response_metadata.warnings.forEach(this.logger.warn.bind(this.logger));
}
// log warnings and errors in response metadata messages
// related to https://api.slack.com/changelog/2016-09-28-response-metadata-is-on-the-way
if (result.response_metadata !== undefined && result.response_metadata.messages !== undefined) {
result.response_metadata.messages.forEach((msg) => {
const errReg = /\[ERROR\](.*)/;
const warnReg = /\[WARN\](.*)/;
if (errReg.test(msg)) {
const errMatch = msg.match(errReg);
if (errMatch != null) {
this.logger.error(errMatch[1].trim());
}
}
else if (warnReg.test(msg)) {
const warnMatch = msg.match(warnReg);
if (warnMatch != null) {
this.logger.warn(warnMatch[1].trim());
}
}
});
}
// If result's content is gzip, "ok" property is not returned with successful response
// TODO: look into simplifying this code block to only check for the second condition
// if an { ok: false } body applies for all API errors
if (!result.ok && (response.headers['content-type'] !== 'application/gzip')) {
throw (0, errors_1.platformErrorFromResult)(result);
}
else if ('ok' in result && result.ok === false) {
throw (0, errors_1.platformErrorFromResult)(result);
}
this.logger.debug(`apiCall('${method}') end`);
return result;
}
paginate(method, options, shouldStop, reduce) {
if (!methods_1.cursorPaginationEnabledMethods.has(method)) {
this.logger.warn(`paginate() called with method ${method}, which is not known to be cursor pagination enabled.`);
}
const pageSize = (() => {
if (options !== undefined && typeof options.limit === 'number') {
const { limit } = options;
// eslint-disable-next-line no-param-reassign
delete options.limit;
return limit;
}
return defaultPageSize;
})();
function generatePages() {
return __asyncGenerator(this, arguments, function* generatePages_1() {
// when result is undefined, that signals that the first of potentially many calls has not yet been made
let result;
// paginationOptions stores pagination options not already stored in the options argument
let paginationOptions = {
limit: pageSize,
};
if (options !== undefined && options.cursor !== undefined) {
paginationOptions.cursor = options.cursor;
}
// NOTE: test for the situation where you're resuming a pagination using and existing cursor
while (result === undefined || paginationOptions !== undefined) {
// eslint-disable-next-line no-await-in-loop
result = yield __await(this.apiCall(method, Object.assign(options !== undefined ? options : {}, paginationOptions)));
yield yield __await(result);
paginationOptions = paginationOptionsForNextPage(result, pageSize);
}
});
}
if (shouldStop === undefined) {
return generatePages.call(this);
}
const pageReducer = (reduce !== undefined) ? reduce : noopPageReducer;
let index = 0;
return (async () => {
// Unroll the first iteration of the iterator
// This is done primarily because in order to satisfy the type system, we need a variable that is typed as A
// (shown as accumulator before), but before the first iteration all we have is a variable typed A | undefined.
// Unrolling the first iteration allows us to deal with undefined as a special case.
var _a, e_1, _b, _c;
const pageIterator = generatePages.call(this);
const firstIteratorResult = await pageIterator.next(undefined);
// Assumption: there will always be at least one result in a paginated API request
// if (firstIteratorResult.done) { return; }
const firstPage = firstIteratorResult.value;
let accumulator = pageReducer(undefined, firstPage, index);
index += 1;
if (shouldStop(firstPage)) {
return accumulator;
}
try {
// Continue iteration
// eslint-disable-next-line no-restricted-syntax
for (var _d = true, pageIterator_1 = __asyncValues(pageIterator), pageIterator_1_1; pageIterator_1_1 = await pageIterator_1.next(), _a = pageIterator_1_1.done, !_a;) {
_c = pageIterator_1_1.value;
_d = false;
try {
const page = _c;
accumulator = pageReducer(accumulator, page, index);
if (shouldStop(page)) {
return accumulator;
}
index += 1;
}
finally {
_d = true;
}
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
try {
if (!_d && !_a && (_b = pageIterator_1.return)) await _b.call(pageIterator_1);
}
finally { if (e_1) throw e_1.error; }
}
return accumulator;
})();
}
/* eslint-disable no-trailing-spaces */
/**
* This wrapper method provides an easy way to upload files using the following endpoints:
*
* **#1**: For each file submitted with this method, submit filenames
* and file metadata to {@link https://api.slack.com/methods/files.getUploadURLExternal files.getUploadURLExternal} to request a URL to
* which to send the file data to and an id for the file
*
* **#2**: for each returned file `upload_url`, upload corresponding file to
* URLs returned from step 1 (e.g. https://files.slack.com/upload/v1/...\")
*
* **#3**: Complete uploads {@link https://api.slack.com/methods/files.completeUploadExternal files.completeUploadExternal}
*
* **#4**: Unless `request_file_info` set to false, call {@link https://api.slack.com/methods/files.info files.info} for
* each file uploaded and returns that data. Requires that your app have `files:read` scope.
* @param options
*/
async filesUploadV2(options) {
var _a;
this.logger.debug('files.uploadV2() start');
// 1
const fileUploads = await this.getAllFileUploads(options);
const fileUploadsURLRes = await this.fetchAllUploadURLExternal(fileUploads);
// set the upload_url and file_id returned from Slack
fileUploadsURLRes.forEach((res, idx) => {
fileUploads[idx].upload_url = res.upload_url;
fileUploads[idx].file_id = res.file_id;
});
// 2
await this.postFileUploadsToExternalURL(fileUploads, options);
// 3
const completion = await this.completeFileUploads(fileUploads);
// 4
let res = completion;
if ((_a = options.request_file_info) !== null && _a !== void 0 ? _a : true) {
res = await this.getFileInfo(fileUploads);
}
return { ok: true, files: res };
}
/**
* For each file submitted with this method, submits filenames
* and file metadata to files.getUploadURLExternal to request a URL to
* which to send the file data to and an id for the file
* @param fileUploads
*/
async fetchAllUploadURLExternal(fileUploads) {
return Promise.all(fileUploads.map((upload) => {
/* eslint-disable @typescript-eslint/consistent-type-assertions */
const options = {
filename: upload.filename,
length: upload.length,
alt_text: upload.alt_text,
snippet_type: upload.snippet_type,
};
return this.files.getUploadURLExternal(options);
}));
}
/**
* Complete uploads.
* @param fileUploads
* @returns
*/
async completeFileUploads(fileUploads) {
const toComplete = Object.values((0, file_upload_1.getAllFileUploadsToComplete)(fileUploads));
return Promise.all(toComplete.map((job) => this.files.completeUploadExternal(job)));
}
/**
* Call {@link https://api.slack.com/methods/files.info files.info} for
* each file uploaded and returns relevant data. Requires that your app have `files:read` scope, to
* turn off, set `request_file_info` set to false.
* @param fileUploads
* @returns
*/
async getFileInfo(fileUploads) {
/* eslint-disable @typescript-eslint/no-non-null-assertion */
return Promise.all(fileUploads.map((job) => this.files.info({ file: job.file_id })));
}
/**
* for each returned file upload URL, upload corresponding file
* @param fileUploads
* @returns
*/
async postFileUploadsToExternalURL(fileUploads, options) {
return Promise.all(fileUploads.map(async (upload) => {
const { upload_url, file_id, filename, data } = upload;
// either file or content will be defined
const body = data;
// try to post to external url
if (upload_url) {
const headers = {};
if (options.token)
headers.Authorization = `Bearer ${options.token}`;
const uploadRes = await this.makeRequest(upload_url, {
body,
}, headers);
if (uploadRes.status !== 200) {
return Promise.reject(Error(`Failed to upload file (id:${file_id}, filename: ${filename})`));
}
const returnData = { ok: true, body: uploadRes.data };
return Promise.resolve(returnData);
}
return Promise.reject(Error(`No upload url found for file (id: ${file_id}, filename: ${filename}`));
}));
}
/**
* @param options All file uploads arguments
* @returns An array of file upload entries
*/
async getAllFileUploads(options) {
let fileUploads = [];
// add single file data to uploads if file or content exists at the top level
if (options.file || options.content) {
fileUploads.push(await (0, file_upload_1.getFileUploadJob)(options, this.logger));
}
// add multiple files data when file_uploads is supplied
if (options.file_uploads) {
fileUploads = fileUploads.concat(await (0, file_upload_1.getMultipleFileUploadJobs)(options, this.logger));
}
return fileUploads;
}
/**
* Low-level function to make a single API request. handles queuing, retries, and http-level errors
*/
// eslint-disable-next-line @typescript-eslint/no-explicit-any
async makeRequest(url, body, headers = {}) {
// TODO: better input types - remove any
const task = () => this.requestQueue.add(async () => {
const requestURL = (url.startsWith('https' || 'http')) ? url : `${this.axios.getUri() + url}`;
this.logger.debug(`http request url: ${requestURL}`);
this.logger.debug(`http request body: ${JSON.stringify(redact(body))}`);
this.logger.debug(`http request headers: ${JSON.stringify(redact(headers))}`);
try {
// eslint-disable-next-line @typescript-eslint/no-explicit-any
const config = Object.assign({ headers }, this.tlsConfig);
// admin.analytics.getFile returns a binary response
// To be able to parse it, it should be read as an ArrayBuffer
if (url.endsWith('admin.analytics.getFile')) {
config.responseType = 'arraybuffer';
}
const response = await this.axios.post(url, body, config);
this.logger.debug('http response received');
if (response.status === 429) {
const retrySec = parseRetryHeaders(response);
if (retrySec !== undefined) {
this.emit(WebClientEvent.RATE_LIMITED, retrySec);
if (this.rejectRateLimitedCalls) {
throw new p_retry_1.AbortError((0, errors_1.rateLimitedErrorWithDelay)(retrySec));
}
this.logger.info(`API Call failed due to rate limiting. Will retry in ${retrySec} seconds.`);
// pause the request queue and then delay the rejection by the amount of time in the retry header
this.requestQueue.pause();
// NOTE: if there was a way to introspect the current RetryOperation and know what the next timeout
// would be, then we could subtract that time from the following delay, knowing that it the next
// attempt still wouldn't occur until after the rate-limit header has specified. an even better
// solution would be to subtract the time from only the timeout of this next attempt of the
// RetryOperation. this would result in the staying paused for the entire duration specified in the
// header, yet this operation not having to pay the timeout cost in addition to that.
await (0, helpers_1.default)(retrySec * 1000);
// resume the request queue and throw a non-abort error to signal a retry
this.requestQueue.start();
// TODO: We may want to have more detailed info such as team_id, params except tokens, and so on.
throw Error(`A rate limit was exceeded (url: ${url}, retry-after: ${retrySec})`);
}
else {
// TODO: turn this into some CodedError
throw new p_retry_1.AbortError(new Error(`Retry header did not contain a valid timeout (url: ${url}, retry-after header: ${response.headers['retry-after']})`));
}
}
// Slack's Web API doesn't use meaningful status codes besides 429 and 200
if (response.status !== 200) {
throw (0, errors_1.httpErrorFromResponse)(response);
}
return response;
}
catch (error) {
// To make this compatible with tsd, casting here instead of `catch (error: any)`
// eslint-disable-next-line @typescript-eslint/no-explicit-any
const e = error;
this.logger.warn('http request failed', e.message);
if (e.request) {
throw (0, errors_1.requestErrorWithOriginal)(e);
}
throw error;
}
});
return (0, p_retry_1.default)(task, this.retryConfig);
}
/**
* Transforms options (a simple key-value object) into an acceptable value for a body. This can be either
* a string, used when posting with a content-type of url-encoded. Or, it can be a readable stream, used
* when the options contain a binary (a stream or a buffer) and the upload should be done with content-type
* multipart/form-data.
*
* @param options - arguments for the Web API method
* @param headers - a mutable object representing the HTTP headers for the outgoing request
*/
// eslint-disable-next-line @typescript-eslint/no-explicit-any
serializeApiCallOptions(options, headers) {
// The following operation both flattens complex objects into a JSON-encoded strings and searches the values for
// binary content
let containsBinaryData = false;
// eslint-disable-next-line @typescript-eslint/no-explicit-any
const flattened = Object.entries(options).map(([key, value]) => {
if (value === undefined || value === null) {
return [];
}
let serializedValue = value;
if (Buffer.isBuffer(value) || (0, is_stream_1.default)(value)) {
containsBinaryData = true;
}
else if (typeof value !== 'string' && typeof value !== 'number' && typeof value !== 'boolean') {
// if value is anything other than string, number, boolean, binary data, a Stream, or a Buffer, then encode it
// as a JSON string.
serializedValue = JSON.stringify(value);
}
return [key, serializedValue];
});
// A body with binary content should be serialized as multipart/form-data
if (containsBinaryData) {
this.logger.debug('Request arguments contain binary data');
const form = flattened.reduce((frm, [key, value]) => {
if (Buffer.isBuffer(value) || (0, is_stream_1.default)(value)) {
const opts = {};
opts.filename = (() => {
// attempt to find filename from `value`. adapted from:
// https://github.com/form-data/form-data/blob/028c21e0f93c5fefa46a7bbf1ba753e4f627ab7a/lib/form_data.js#L227-L230
// formidable and the browser add a name property
// fs- and request- streams have path property
// eslint-disable-next-line @typescript-eslint/no-explicit-any
const streamOrBuffer = value;
if (typeof streamOrBuffer.name === 'string') {
return (0, path_1.basename)(streamOrBuffer.name);
}
if (typeof streamOrBuffer.path === 'string') {
return (0, path_1.basename)(streamOrBuffer.path);
}
return defaultFilename;
})();
frm.append(key, value, opts);
}
else if (key !== undefined && value !== undefined) {
frm.append(key, value);
}
return frm;
}, new form_data_1.default());
// Copying FormData-generated headers into headers param
// not reassigning to headers param since it is passed by reference and behaves as an inout param
Object.entries(form.getHeaders()).forEach(([header, value]) => {
// eslint-disable-next-line no-param-reassign
headers[header] = value;
});
return form;
}
// Otherwise, a simple key-value object is returned
// eslint-disable-next-line no-param-reassign
headers['Content-Type'] = 'application/x-www-form-urlencoded';
// eslint-disable-next-line @typescript-eslint/no-explicit-any
const initialValue = {};
return (0, querystring_1.stringify)(flattened.reduce((accumulator, [key, value]) => {
if (key !== undefined && value !== undefined) {
accumulator[key] = value;
}
return accumulator;
}, initialValue));
}
/**
* Processes an HTTP response into a WebAPICallResult by performing JSON parsing on the body and merging relevant
* HTTP headers into the object.
* @param response - an http response
*/
// eslint-disable-next-line class-methods-use-this
async buildResult(response) {
let { data } = response;
const isGzipResponse = response.headers['content-type'] === 'application/gzip';
// Check for GZIP response - if so, it is a successful response from admin.analytics.getFile
if (isGzipResponse) {
// admin.analytics.getFile will return a Buffer that can be unzipped
try {
const unzippedData = await new Promise((resolve, reject) => {
zlib_1.default.unzip(data, (err, buf) => {
if (err) {
return reject(err);
}
return resolve(buf.toString().split('\n'));
});
}).then((res) => res)
.catch((err) => {
throw err;
});
const fileData = [];
if (Array.isArray(unzippedData)) {
unzippedData.forEach((dataset) => {
if (dataset && dataset.length > 0) {
fileData.push(JSON.parse(dataset));
}
});
}
data = { file_data: fileData };
}
catch (err) {
data = { ok: false, error: err };
}
}
else if (!isGzipResponse && response.request.path === '/api/admin.analytics.getFile') {
// if it isn't a Gzip response but is from the admin.analytics.getFile request,
// decode the ArrayBuffer to JSON read the error
data = JSON.parse(new util_1.TextDecoder().decode(data));
}
if (typeof data === 'string') {
// response.data can be a string, not an object for some reason
try {
data = JSON.parse(data);
}
catch (_) {
// failed to parse the string value as JSON data
data = { ok: false, error: data };
}
}
if (data.response_metadata === undefined) {
data.response_metadata = {};
}
// add scopes metadata from headers
if (response.headers['x-oauth-scopes'] !== undefined) {
data.response_metadata.scopes = response.headers['x-oauth-scopes'].trim().split(/\s*,\s*/);
}
if (response.headers['x-accepted-oauth-scopes'] !== undefined) {
data.response_metadata.acceptedScopes = response.headers['x-accepted-oauth-scopes'].trim().split(/\s*,\s*/);
}
// add retry metadata from headers
const retrySec = parseRetryHeaders(response);
if (retrySec !== undefined) {
data.response_metadata.retryAfter = retrySec;
}
return data;
}
}
exports.WebClient = WebClient;
/**
* The name used to prefix all logging generated from this object
*/
WebClient.loggerName = 'WebClient';
exports.default = WebClient;
/**
* Determines an appropriate set of cursor pagination options for the next request to a paginated API method.
* @param previousResult - the result of the last request, where the next cursor might be found.
* @param pageSize - the maximum number of additional items to fetch in the next request.
*/
function paginationOptionsForNextPage(previousResult, pageSize) {
if (previousResult !== undefined &&
previousResult.response_metadata !== undefined &&
previousResult.response_metadata.next_cursor !== undefined &&
previousResult.response_metadata.next_cursor !== '') {
return {
limit: pageSize,
cursor: previousResult.response_metadata.next_cursor,
};
}
return undefined;
}
/**
* Extract the amount of time (in seconds) the platform has recommended this client wait before sending another request
* from a rate-limited HTTP response (statusCode = 429).
*/
function parseRetryHeaders(response) {
if (response.headers['retry-after'] !== undefined) {
const retryAfter = parseInt(response.headers['retry-after'], 10);
if (!Number.isNaN(retryAfter)) {
return retryAfter;
}
}
return undefined;
}
/**
* Log a warning when using a deprecated method
* @param method api method being called
* @param logger instance of web clients logger
*/
function warnDeprecations(method, logger) {
const deprecatedConversationsMethods = ['channels.', 'groups.', 'im.', 'mpim.'];
const deprecatedMethods = ['admin.conversations.whitelist.'];
const isDeprecatedConversations = deprecatedConversationsMethods.some((depMethod) => {
const re = new RegExp(`^${depMethod}`);
return re.test(method);
});
const isDeprecated = deprecatedMethods.some((depMethod) => {
const re = new RegExp(`^${depMethod}`);
return re.test(method);
});
if (isDeprecatedConversations) {
logger.warn(`${method} is deprecated. Please use the Conversations API instead. For more info, go to https://api.slack.com/changelog/2020-01-deprecating-antecedents-to-the-conversations-api`);
}
else if (isDeprecated) {
logger.warn(`${method} is deprecated. Please check on https://api.slack.com/methods for an alternative.`);
}
}
/**
* Log a warning when using chat.postMessage without text argument or attachments with fallback argument
* @param method api method being called
* @param logger instance of we clients logger
* @param options arguments for the Web API method
*/
function warnIfFallbackIsMissing(method, logger, options) {
const targetMethods = ['chat.postEphemeral', 'chat.postMessage', 'chat.scheduleMessage', 'chat.update'];
const isTargetMethod = targetMethods.includes(method);
const hasAttachments = (args) => Array.isArray(args.attachments) && args.attachments.length;
const missingAttachmentFallbackDetected = (args) => Array.isArray(args.attachments) &&
args.attachments.some((attachment) => !attachment.fallback || attachment.fallback.trim() === '');
const isEmptyText = (args) => args.text === undefined || args.text === null || args.text === '';
const buildMissingTextWarning = () => `The top-level \`text\` argument is missing in the request payload for a ${method} call - ` +
'It\'s a best practice to always provide a `text` argument when posting a message. ' +
'The `text` is used in places where the content cannot be rendered such as: ' +
'system push notifications, assistive technology such as screen readers, etc.';
const buildMissingFallbackWarning = () => `Additionally, the attachment-level \`fallback\` argument is missing in the request payload for a ${method} call - ` +
'To avoid this warning, it is recommended to always provide a top-level `text` argument when posting a message. ' +
'Alternatively, you can provide an attachment-level `fallback` argument, though this is now considered a legacy field (see https://api.slack.com/reference/messaging/attachments#legacy_fields for more details).';
if (isTargetMethod && typeof options === 'object') {
if (hasAttachments(options)) {
if (missingAttachmentFallbackDetected(options) && isEmptyText(options)) {
logger.warn(buildMissingTextWarning());
logger.warn(buildMissingFallbackWarning());
}
}
else if (isEmptyText(options)) {
logger.warn(buildMissingTextWarning());
}
}
}
/**
* Log a warning when thread_ts is not a string
* @param method api method being called
* @param logger instance of web clients logger
* @param options arguments for the Web API method
*/
function warnIfThreadTsIsNotString(method, logger, options) {
const targetMethods = ['chat.postEphemeral', 'chat.postMessage', 'chat.scheduleMessage', 'files.upload'];
const isTargetMethod = targetMethods.includes(method);
if (isTargetMethod && (options === null || options === void 0 ? void 0 : options.thread_ts) !== undefined && typeof (options === null || options === void 0 ? void 0 : options.thread_ts) !== 'string') {
logger.warn(buildThreadTsWarningMessage(method));
}
}
function buildThreadTsWarningMessage(method) {
return `The given thread_ts value in the request payload for a ${method} call is a float value. We highly recommend using a string value instead.`;
}
exports.buildThreadTsWarningMessage = buildThreadTsWarningMessage;
/**
* Takes an object and redacts specific items
* @param body
* @returns
*/
function redact(body) {
const flattened = Object.entries(body).map(([key, value]) => {
// no value provided
if (value === undefined || value === null) {
return [];
}
let serializedValue = value;
// redact possible tokens
if (key.match(/.*token.*/) !== null || key.match(/[Aa]uthorization/)) {
serializedValue = '[[REDACTED]]';
}
// when value is buffer or stream we can avoid logging it
if (Buffer.isBuffer(value) || (0, is_stream_1.default)(value)) {
serializedValue = '[[BINARY VALUE OMITTED]]';
}
else if (typeof value !== 'string' && typeof value !== 'number' && typeof value !== 'boolean') {
serializedValue = JSON.stringify(value);
}
return [key, serializedValue];
});
// return as object
const initialValue = {};
return flattened.reduce((accumulator, [key, value]) => {
if (key !== undefined && value !== undefined) {
accumulator[key] = value;
}
return accumulator;
}, initialValue);
}
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