fix(*): store CSRF tokens in Request Client

sasjs-tests/src/testSuites/Basic.ts

@@ -1,14 +1,15 @@
-import SASjs, { ServerType, SASjsConfig } from "@sasjs/adapter";
+import SASjs, { SASjsConfig } from "@sasjs/adapter";
 import { TestSuite } from "@sasjs/test-framework";
+import { ServerType } from "@sasjs/utils/types";
 
 const defaultConfig: SASjsConfig = {
   serverUrl: window.location.origin,
-  pathSAS9: '/SASStoredProcess/do',
+  pathSAS9: "/SASStoredProcess/do",
-  pathSASViya: '/SASJobExecution',
+  pathSASViya: "/SASJobExecution",
-  appLoc: '/Public/seedapp',
+  appLoc: "/Public/seedapp",
-  serverType: ServerType.SASViya,
+  serverType: ServerType.SasViya,
   debug: false,
-  contextName: 'SAS Job Execution compute context',
+  contextName: "SAS Job Execution compute context",
   useComputeApi: false
 };
 
@@ -17,7 +18,7 @@ const customConfig = {
   pathSAS9: "sas9",
   pathSASViya: "viya",
   appLoc: "/Public/seedapp",
-  serverType: ServerType.SAS9,
+  serverType: ServerType.Sas9,
   debug: false
 };
 
@@ -39,11 +40,12 @@ export const basicTests = (
     },
     {
       title: "Multiple Log in attempts",
-      description: "Should fail on first attempt and should log the user in on second attempt",
+      description:
+        "Should fail on first attempt and should log the user in on second attempt",
       test: async () => {
-        await adapter.logOut()
+        await adapter.logOut();
-        await adapter.logIn('invalid', 'invalid')
+        await adapter.logIn("invalid", "invalid");
-        return adapter.logIn(userName, password)
+        return adapter.logIn(userName, password);
       },
       assertion: (response: any) =>
         response && response.isLoggedIn && response.userName === userName

src/ContextManager.ts

@@ -1,11 +1,7 @@
-import {
+import { Context, EditContextInput, ContextAllAttributes } from './types'
-  Context,
+import { isUrl } from './utils'
-  CsrfToken,
-  EditContextInput,
-  ContextAllAttributes
-} from './types'
-import { makeRequest, isUrl } from './utils'
 import { prefixMessage } from '@sasjs/utils/error'
+import { RequestClient } from './request/client'
 
 export class ContextManager {
   private defaultComputeContexts = [
@@ -28,8 +24,6 @@ export class ContextManager {
     'SAS Visual Forecasting launcher context'
   ]
 
-  private csrfToken: CsrfToken | null = null
-
   get getDefaultComputeContexts() {
     return this.defaultComputeContexts
   }
@@ -37,28 +31,19 @@ export class ContextManager {
     return this.defaultLauncherContexts
   }
 
-  constructor(
+  constructor(private serverUrl: string, private requestClient: RequestClient) {
-    private serverUrl: string,
-    private setCsrfToken: (csrfToken: CsrfToken) => void
-  ) {
     if (serverUrl) isUrl(serverUrl)
   }
 
   public async getComputeContexts(accessToken?: string) {
-    const headers: any = {
+    const { result: contexts } = await this.requestClient
-      'Content-Type': 'application/json'
+      .get<{ items: Context[] }>(
-    }
+        `${this.serverUrl}/compute/contexts?limit=10000`,
-
+        accessToken
-    if (accessToken) {
+      )
-      headers.Authorization = `Bearer ${accessToken}`
+      .catch((err) => {
-    }
+        throw prefixMessage(err, 'Error while getting compute contexts. ')
-
+      })
-    const { result: contexts } = await this.request<{ items: Context[] }>(
-      `${this.serverUrl}/compute/contexts?limit=10000`,
-      { headers }
-    ).catch((err) => {
-      throw prefixMessage(err, 'Error while getting compute contexts. ')
-    })
 
     const contextsList = contexts && contexts.items ? contexts.items : []
 
@@ -72,20 +57,14 @@ export class ContextManager {
   }
 
   public async getLauncherContexts(accessToken?: string) {
-    const headers: any = {
+    const { result: contexts } = await this.requestClient
-      'Content-Type': 'application/json'
+      .get<{ items: Context[] }>(
-    }
+        `${this.serverUrl}/launcher/contexts?limit=10000`,
-
+        accessToken
-    if (accessToken) {
+      )
-      headers.Authorization = `Bearer ${accessToken}`
+      .catch((err) => {
-    }
+        throw prefixMessage(err, 'Error while getting launcher contexts. ')
-
+      })
-    const { result: contexts } = await this.request<{ items: Context[] }>(
-      `${this.serverUrl}/launcher/contexts?limit=10000`,
-      { headers }
-    ).catch((err) => {
-      throw prefixMessage(err, 'Error while getting launcher contexts. ')
-    })
 
     const contextsList = contexts && contexts.items ? contexts.items : []
 
@@ -183,18 +162,15 @@ export class ContextManager {
       requestBody.environment = { autoExecLines }
     }
 
-    const createContextRequest: RequestInit = {
+    const { result: context } = await this.requestClient
-      method: 'POST',
+      .post<Context>(
-      headers,
+        `${this.serverUrl}/compute/contexts`,
-      body: JSON.stringify(requestBody)
+        JSON.stringify(requestBody),
-    }
+        accessToken
-
+      )
-    const { result: context } = await this.request<Context>(
+      .catch((err) => {
-      `${this.serverUrl}/compute/contexts`,
+        throw prefixMessage(err, 'Error while creating compute context. ')
-      createContextRequest
+      })
-    ).catch((err) => {
-      throw prefixMessage(err, 'Error while creating compute context. ')
-    })
 
     return context
   }
@@ -237,18 +213,15 @@ export class ContextManager {
       launchType
     }
 
-    const createContextRequest: RequestInit = {
+    const { result: context } = await this.requestClient
-      method: 'POST',
+      .post<Context>(
-      headers,
+        `${this.serverUrl}/launcher/contexts`,
-      body: JSON.stringify(requestBody)
+        JSON.stringify(requestBody),
-    }
+        accessToken
-
+      )
-    const { result: context } = await this.request<Context>(
+      .catch((err) => {
-      `${this.serverUrl}/launcher/contexts`,
+        throw prefixMessage(err, 'Error while creating launcher context. ')
-      createContextRequest
+      })
-    ).catch((err) => {
-      throw prefixMessage(err, 'Error while creating launcher context. ')
-    })
 
     return context
   }
@@ -267,14 +240,6 @@ export class ContextManager {
       true
     )
 
-    const headers: any = {
-      'Content-Type': 'application/json'
-    }
-
-    if (accessToken) {
-      headers.Authorization = `Bearer ${accessToken}`
-    }
-
     let originalContext
 
     originalContext = await this.getComputeContextByName(
@@ -290,39 +255,33 @@ export class ContextManager {
       )
     }
 
-    const { result: context, etag } = await this.request<Context>(
+    const { result: context, etag } = await this.requestClient
-      `${this.serverUrl}/compute/contexts/${originalContext.id}`,
+      .get<Context>(
-      {
+        `${this.serverUrl}/compute/contexts/${originalContext.id}`,
-        headers
+        accessToken
-      }
+      )
-    ).catch((err) => {
+      .catch((err) => {
-      if (err && err.status === 404) {
+        if (err && err.status === 404) {
-        throw new Error(
+          throw new Error(
-          `The context '${contextName}' was not found on this server.`
+            `The context '${contextName}' was not found on this server.`
-        )
+          )
-      }
+        }
 
-      throw err
+        throw err
-    })
+      })
 
     // An If-Match header with the value of the last ETag for the context
     // is required to be able to update it
     // https://developer.sas.com/apis/rest/Compute/#update-a-context-definition
-    headers['If-Match'] = etag
+    return await this.requestClient.put<Context>(
-
+      `/compute/contexts/${context.id}`,
-    const updateContextRequest: RequestInit = {
+      JSON.stringify({
-      method: 'PUT',
-      headers,
-      body: JSON.stringify({
         ...context,
         ...editedContext,
         attributes: { ...context.attributes, ...editedContext.attributes }
-      })
+      }),
-    }
+      accessToken,
-
+      { 'If-Match': etag }
-    return await this.request<Context>(
-      `${this.serverUrl}/compute/contexts/${context.id}`,
-      updateContextRequest
     )
   }
 
@@ -330,20 +289,17 @@ export class ContextManager {
     contextName: string,
     accessToken?: string
   ): Promise<Context> {
-    const headers: any = {
+    const { result: contexts } = await this.requestClient
-      'Content-Type': 'application/json'
+      .get<{ items: Context[] }>(
-    }
+        `${this.serverUrl}/compute/contexts?filter=eq(name, "${contextName}")`,
-
+        accessToken
-    if (accessToken) {
+      )
-      headers.Authorization = `Bearer ${accessToken}`
+      .catch((err) => {
-    }
+        throw prefixMessage(
-
+          err,
-    const { result: contexts } = await this.request<{ items: Context[] }>(
+          'Error while getting compute context by name. '
-      `${this.serverUrl}/compute/contexts?filter=eq(name, "${contextName}")`,
+        )
-      { headers }
+      })
-    ).catch((err) => {
-      throw prefixMessage(err, 'Error while getting compute context by name. ')
-    })
 
     if (!contexts || !(contexts.items && contexts.items.length)) {
       throw new Error(
@@ -358,20 +314,16 @@ export class ContextManager {
     contextId: string,
     accessToken?: string
   ): Promise<ContextAllAttributes> {
-    const headers: any = {
+    const {
-      'Content-Type': 'application/json'
+      result: context
-    }
+    } = await this.requestClient
-
+      .get<ContextAllAttributes>(
-    if (accessToken) {
+        `${this.serverUrl}/compute/contexts/${contextId}`,
-      headers.Authorization = `Bearer ${accessToken}`
+        accessToken
-    }
+      )
-
+      .catch((err) => {
-    const { result: context } = await this.request<ContextAllAttributes>(
+        throw prefixMessage(err, 'Error while getting compute context by id. ')
-      `${this.serverUrl}/compute/contexts/${contextId}`,
+      })
-      { headers }
-    ).catch((err) => {
-      throw prefixMessage(err, 'Error while getting compute context by id. ')
-    })
 
     return context
   }
@@ -380,20 +332,14 @@ export class ContextManager {
     executeScript: Function,
     accessToken?: string
   ) {
-    const headers: any = {
+    const { result: contexts } = await this.requestClient
-      'Content-Type': 'application/json'
+      .get<{ items: Context[] }>(
-    }
+        `${this.serverUrl}/compute/contexts?limit=10000`,
-
+        accessToken
-    if (accessToken) {
+      )
-      headers.Authorization = `Bearer ${accessToken}`
+      .catch((err) => {
-    }
+        throw prefixMessage(err, 'Error while fetching compute contexts.')
-
+      })
-    const { result: contexts } = await this.request<{ items: Context[] }>(
-      `${this.serverUrl}/compute/contexts?limit=10000`,
-      { headers }
-    ).catch((err) => {
-      throw prefixMessage(err, 'Error while fetching compute contexts.')
-    })
 
     const contextsList = contexts.items || []
     const executableContexts: any[] = []
@@ -470,14 +416,9 @@ export class ContextManager {
 
     const context = await this.getComputeContextByName(contextName, accessToken)
 
-    const deleteContextRequest: RequestInit = {
+    return await this.requestClient.delete<Context>(
-      method: 'DELETE',
-      headers
-    }
-
-    return await this.request<Context>(
       `${this.serverUrl}/compute/contexts/${context.id}`,
-      deleteContextRequest
+      accessToken
     )
   }
 
@@ -485,34 +426,6 @@ export class ContextManager {
 
   // TODO: implement deleteLauncherContext method
 
-  private async request<T>(
-    url: string,
-    options: RequestInit,
-    contentType: 'text' | 'json' = 'json'
-  ) {
-    if (this.csrfToken) {
-      options.headers = {
-        ...options.headers,
-        [this.csrfToken.headerName]: this.csrfToken.value
-      }
-    }
-
-    return await makeRequest<T>(
-      url,
-      options,
-      (token) => {
-        this.csrfToken = token
-        this.setCsrfToken(token)
-      },
-      contentType
-    ).catch((err) => {
-      throw prefixMessage(
-        err,
-        'Error while making request in Context Manager. '
-      )
-    })
-  }
-
   private validateContextName(name: string) {
     if (!name) throw new Error('Context name is required.')
   }

src/FileUploader.ts

@@ -1,116 +1,63 @@
-import { needsRetry, isUrl } from './utils'
+import { isUrl } from './utils'
-import { CsrfToken } from './types/CsrfToken'
 import { UploadFile } from './types/UploadFile'
 import { ErrorResponse } from './types'
-import axios, { AxiosInstance } from 'axios'
+import { RequestClient } from './request/client'
-import { isLogInRequired } from './auth'
-
-const requestRetryLimit = 5
 
 export class FileUploader {
-  private httpClient: AxiosInstance
-
   constructor(
     private appLoc: string,
     serverUrl: string,
     private jobsPath: string,
-    private setCsrfTokenWeb: any,
+    private requestClient: RequestClient
-    private csrfToken: CsrfToken | null = null
   ) {
     if (serverUrl) isUrl(serverUrl)
-    this.httpClient = axios.create({ baseURL: serverUrl })
   }
 
-  private retryCount = 0
-
   public uploadFile(sasJob: string, files: UploadFile[], params: any) {
-    return new Promise((resolve, reject) => {
+    if (files?.length < 1)
-      if (files?.length < 1)
+      return Promise.reject(
-        reject(new ErrorResponse('At least one file must be provided.'))
+        new ErrorResponse('At least one file must be provided.')
-      if (!sasJob || sasJob === '')
+      )
-        reject(new ErrorResponse('sasJob must be provided.'))
+    if (!sasJob || sasJob === '')
+      return Promise.reject(new ErrorResponse('sasJob must be provided.'))
 
-      let paramsString = ''
+    let paramsString = ''
 
-      for (let param in params) {
+    for (let param in params) {
-        if (params.hasOwnProperty(param)) {
+      if (params.hasOwnProperty(param)) {
-          paramsString += `&${param}=${params[param]}`
+        paramsString += `&${param}=${params[param]}`
-        }
       }
+    }
 
-      const program = this.appLoc
+    const program = this.appLoc
-        ? this.appLoc.replace(/\/?$/, '/') + sasJob.replace(/^\//, '')
+      ? this.appLoc.replace(/\/?$/, '/') + sasJob.replace(/^\//, '')
-        : sasJob
+      : sasJob
-      const uploadUrl = `${this.jobsPath}/?${
+    const uploadUrl = `${this.jobsPath}/?${
-        '_program=' + program
+      '_program=' + program
-      }${paramsString}`
+    }${paramsString}`
 
-      const headers = {
+    const formData = new FormData()
-        'cache-control': 'no-cache'
-      }
 
-      const formData = new FormData()
+    for (let file of files) {
+      formData.append('file', file.file, file.fileName)
+    }
 
-      for (let file of files) {
+    const csrfToken = this.requestClient.getCsrfToken('file')
-        formData.append('file', file.file, file.fileName)
+    if (csrfToken) formData.append('_csrf', csrfToken.value)
-      }
 
-      if (this.csrfToken) formData.append('_csrf', this.csrfToken.value)
+    const headers = {
+      'cache-control': 'no-cache',
+      Accept: '*/*',
+      'Content-Type': 'text/plain'
+    }
 
-      this.httpClient
+    return this.requestClient
-        .post(uploadUrl, formData, { responseType: 'text', headers })
+      .post(uploadUrl, formData, undefined, headers)
-        .then(async (response) => {
+      .then((res) => res.result)
-          if (response.status !== 200) {
+      .catch((err: Error) => {
-            if (response.status === 403) {
+        return Promise.reject(
-              const tokenHeader = response.headers.get('X-CSRF-HEADER')
+          new ErrorResponse('File upload request failed', err)
-
+        )
-              if (tokenHeader) {
+      })
-                const token = response.headers.get(tokenHeader)
-                this.csrfToken = {
-                  headerName: tokenHeader,
-                  value: token || ''
-                }
-
-                this.setCsrfTokenWeb(this.csrfToken)
-              }
-            }
-          }
-
-          return response.data
-        })
-        .then((responseText) => {
-          if (isLogInRequired(responseText))
-            reject(new ErrorResponse('You must be logged in to upload a file.'))
-
-          if (needsRetry(responseText)) {
-            if (this.retryCount < requestRetryLimit) {
-              this.retryCount++
-              this.uploadFile(sasJob, files, params).then(
-                (res: any) => resolve(res),
-                (err: any) => reject(err)
-              )
-            } else {
-              this.retryCount = 0
-              reject(responseText)
-            }
-          } else {
-            this.retryCount = 0
-
-            try {
-              resolve(JSON.parse(responseText))
-            } catch (e) {
-              reject(
-                new ErrorResponse(
-                  'Error while parsing json from upload response.',
-                  e
-                )
-              )
-            }
-          }
-        })
-        .catch((err: any) => {
-          reject(new ErrorResponse('Upload request failed.', err))
-        })
-    })
   }
 }

src/SASViyaApiClient.ts

@@ -6,7 +6,6 @@ import {
   Context,
   ContextAllAttributes,
   Folder,
-  CsrfToken,
   EditContextInput,
   JobDefinition,
   PollOptions
@@ -16,35 +15,34 @@ import { SessionManager } from './SessionManager'
 import { ContextManager } from './ContextManager'
 import { timestampToYYYYMMDDHHMMSS } from '@sasjs/utils/time'
 import { Logger, LogLevel } from '@sasjs/utils/logger'
-import axios, { AxiosInstance, AxiosRequestConfig, AxiosResponse } from 'axios'
 import { isAuthorizeFormRequired } from './auth/isAuthorizeFormRequired'
 import { parseAndSubmitAuthorizeForm } from './auth'
+import { RequestClient } from './request/client'
 
 /**
  * A client for interfacing with the SAS Viya REST API.
  *
  */
 export class SASViyaApiClient {
-  private httpClient: AxiosInstance
   constructor(
     private serverUrl: string,
     private rootFolderName: string,
     private contextName: string,
-    private setCsrfToken: (csrfToken: CsrfToken) => void
+    private requestClient: RequestClient
   ) {
     if (serverUrl) isUrl(serverUrl)
-    this.httpClient = axios.create({ baseURL: serverUrl })
   }
 
-  private csrfToken: CsrfToken | null = null
-  private fileUploadCsrfToken: CsrfToken | null = null
   private _debug = false
   private sessionManager = new SessionManager(
     this.serverUrl,
     this.contextName,
-    this.setCsrfToken
+    this.requestClient
+  )
+  private contextManager = new ContextManager(
+    this.serverUrl,
+    this.requestClient
   )
-  private contextManager = new ContextManager(this.serverUrl, this.setCsrfToken)
   private folderMap = new Map<string, Job[]>()
 
   public get debug() {
@@ -143,10 +141,9 @@ export class SASViyaApiClient {
       headers.Authorization = `Bearer ${accessToken}`
     }
 
-    const { result: contexts } = await this.get<{ items: Context[] }>(
+    const { result: contexts } = await this.requestClient.get<{
-      `/compute/contexts?limit=10000`,
+      items: Context[]
-      accessToken
+    }>(`/compute/contexts?limit=10000`, accessToken)
-    )
 
     const executionContext =
       contexts.items && contexts.items.length
@@ -163,7 +160,7 @@ export class SASViyaApiClient {
         'Content-Type': 'application/json'
       }
     }
-    const { result: createdSession } = await this.post<Session>(
+    const { result: createdSession } = await this.requestClient.post<Session>(
       `/compute/contexts/${executionContext.id}/sessions`,
       {},
       accessToken
@@ -376,13 +373,15 @@ export class SASViyaApiClient {
         variables: jobVariables,
         arguments: jobArguments
       })
-      const { result: postedJob, etag } = await this.post<Job>(
+      const { result: postedJob, etag } = await this.requestClient
-        `/compute/sessions/${executionSessionId}/jobs`,
+        .post<Job>(
-        jobRequestBody,
+          `/compute/sessions/${executionSessionId}/jobs`,
-        accessToken
+          jobRequestBody,
-      ).catch((err: any) => {
+          accessToken
-        throw err
+        )
-      })
+        .catch((err: any) => {
+          throw err
+        })
 
       if (!waitForResult) {
         return session
@@ -404,12 +403,14 @@ export class SASViyaApiClient {
         pollOptions
       )
 
-      const { result: currentJob } = await this.get<Job>(
+      const { result: currentJob } = await this.requestClient
-        `/compute/sessions/${executionSessionId}/jobs/${postedJob.id}`,
+        .get<Job>(
-        accessToken
+          `/compute/sessions/${executionSessionId}/jobs/${postedJob.id}`,
-      ).catch((err) => {
+          accessToken
-        throw err
+        )
-      })
+        .catch((err) => {
+          throw err
+        })
 
       let jobResult
       let log
@@ -417,10 +418,8 @@ export class SASViyaApiClient {
       const logLink = currentJob.links.find((l) => l.rel === 'log')
 
       if (debug && logLink) {
-        log = await this.get<any>(
+        log = await this.requestClient
-          `${logLink.href}/content?limit=10000`,
+          .get<any>(`${logLink.href}/content?limit=10000`, accessToken)
-          accessToken
-        )
           .then((res: any) =>
             res.result.items.map((i: any) => i.line).join('\n')
           )
@@ -442,34 +441,30 @@ export class SASViyaApiClient {
       }
 
       if (resultLink) {
-        jobResult = await this.get<any>(
+        jobResult = await this.requestClient
-          resultLink,
+          .get<any>(resultLink, accessToken, 'text/plain')
-          accessToken,
+          .catch(async (e) => {
-          'text/plain'
+            if (e && e.status === 404) {
-        ).catch(async (e) => {
+              if (logLink) {
-          if (e && e.status === 404) {
+                log = await this.requestClient
-            if (logLink) {
+                  .get<any>(`${logLink.href}/content?limit=10000`, accessToken)
-              log = await this.get<any>(
+                  .then((res: any) =>
-                `${logLink.href}/content?limit=10000`,
+                    res.result.items.map((i: any) => i.line).join('\n')
-                accessToken
+                  )
-              )
+                  .catch((err) => {
-                .then((res: any) =>
+                    throw err
-                  res.result.items.map((i: any) => i.line).join('\n')
+                  })
-                )
-                .catch((err) => {
-                  throw err
-                })
 
-              return Promise.reject({
+                return Promise.reject({
-                status: 500,
+                  status: 500,
-                log
+                  log
-              })
+                })
+              }
             }
-          }
+            return {
-          return {
+              result: JSON.stringify(e)
-            result: JSON.stringify(e)
+            }
-          }
+          })
-        })
       }
 
       await this.sessionManager
@@ -559,7 +554,9 @@ export class SASViyaApiClient {
       }
     }
 
-    const { result: createFolderResponse } = await this.post<Folder>(
+    const {
+      result: createFolderResponse
+    } = await this.requestClient.post<Folder>(
       `/folders/folders?parentFolderUri=${parentFolderUri}`,
       JSON.stringify({
         name: folderName,
@@ -599,7 +596,7 @@ export class SASViyaApiClient {
       parentFolderUri = await this.getFolderUri(parentFolderPath, accessToken)
     }
 
-    return await this.post<Job>(
+    return await this.requestClient.post<Job>(
       `${this.serverUrl}/jobDefinitions/definitions?parentFolderUri=${parentFolderUri}`,
       JSON.stringify({
         name: jobName,
@@ -763,7 +760,7 @@ export class SASViyaApiClient {
       headers.Authorization = `Bearer ${accessToken}`
     }
 
-    const deleteResponse = await this.delete(url, accessToken)
+    const deleteResponse = await this.requestClient.delete(url, accessToken)
 
     return deleteResponse.result
   }
@@ -835,7 +832,9 @@ export class SASViyaApiClient {
         throw new Error(`URI of job definition was not found.`)
       }
 
-      const { result: jobDefinition } = await this.get<JobDefinition>(
+      const {
+        result: jobDefinition
+      } = await this.requestClient.get<JobDefinition>(
         `${this.serverUrl}${jobDefinitionLink.href}`,
         accessToken
       )
@@ -913,7 +912,7 @@ export class SASViyaApiClient {
       (l) => l.rel === 'getResource'
     )?.href
 
-    const { result: jobDefinition } = await this.get<Job>(
+    const { result: jobDefinition } = await this.requestClient.get<Job>(
       `${this.serverUrl}${jobDefinitionLink}`,
       accessToken
     )
@@ -948,12 +947,13 @@ export class SASViyaApiClient {
       jobDefinition,
       arguments: jobArguments
     })
-    const { result: postedJob, etag } = await this.post<Job>(
+    const { result: postedJob, etag } = await this.requestClient.post<Job>(
       `${this.serverUrl}/jobExecution/jobs?_action=wait`,
-      postJobRequestBody
+      postJobRequestBody,
+      accessToken
     )
     const jobStatus = await this.pollJobState(postedJob, etag, accessToken)
-    const { result: currentJob } = await this.get<Job>(
+    const { result: currentJob } = await this.requestClient.get<Job>(
       `${this.serverUrl}/jobExecution/jobs/${postedJob.id}`,
       accessToken
     )
@@ -964,17 +964,16 @@ export class SASViyaApiClient {
     const resultLink = currentJob.results['_webout.json']
     const logLink = currentJob.links.find((l) => l.rel === 'log')
     if (resultLink) {
-      jobResult = await this.get<any>(
+      jobResult = await this.requestClient.get<any>(
         `${this.serverUrl}${resultLink}/content`,
         accessToken,
         'text/plain'
       )
     }
     if (debug && logLink) {
-      log = await this.get<any>(
+      log = await this.requestClient
-        `${this.serverUrl}${logLink.href}/content`,
+        .get<any>(`${this.serverUrl}${logLink.href}/content`, accessToken)
-        accessToken
+        .then((res: any) => res.result.items.map((i: any) => i.line).join('\n'))
-      ).then((res: any) => res.result.items.map((i: any) => i.line).join('\n'))
     }
     if (jobStatus === 'failed') {
       return Promise.reject({ error: currentJob.error, log })
@@ -991,11 +990,14 @@ export class SASViyaApiClient {
     }
 
     const url = '/folders/folders/@item?path=' + path
-    const { result: folder } = await this.get<Folder>(`${url}`, accessToken)
+    const { result: folder } = await this.requestClient.get<Folder>(
+      `${url}`,
+      accessToken
+    )
     if (!folder) {
       throw new Error(`The path ${path} does not exist on ${this.serverUrl}`)
     }
-    const { result: members } = await this.get<{ items: any[] }>(
+    const { result: members } = await this.requestClient.get<{ items: any[] }>(
       `/folders/folders/${folder.id}/members?limit=${folder.memberCount}`,
       accessToken
     )
@@ -1033,7 +1035,7 @@ export class SASViyaApiClient {
       Promise.reject(`Job state link was not found.`)
     }
 
-    const { result: state } = await this.get<string>(
+    const { result: state } = await this.requestClient.get<string>(
       `${this.serverUrl}${stateLink.href}?_action=wait&wait=30`,
       accessToken,
       'text/plain'
@@ -1054,7 +1056,7 @@ export class SASViyaApiClient {
           postedJobState === 'pending'
         ) {
           if (stateLink) {
-            const { result: jobState } = await this.get<string>(
+            const { result: jobState } = await this.requestClient.get<string>(
               `${this.serverUrl}${stateLink.href}?_action=wait&wait=30`,
               accessToken,
               'text/plain'
@@ -1100,7 +1102,7 @@ export class SASViyaApiClient {
         )
       }
 
-      const uploadResponse = await this.uploadFile(
+      const uploadResponse = await this.requestClient.uploadFile(
         `${this.serverUrl}/files/files#rawUpload`,
         csv,
         accessToken
@@ -1113,12 +1115,11 @@ export class SASViyaApiClient {
 
   private async getFolderUri(folderPath: string, accessToken?: string) {
     const url = '/folders/folders/@item?path=' + folderPath
-    const { result: folder } = await this.get<Folder>(
+    const { result: folder } = await this.requestClient
-      `${this.serverUrl}${url}`,
+      .get<Folder>(`${this.serverUrl}${url}`, accessToken)
-      accessToken
+      .catch(() => {
-    ).catch(() => {
+        return { result: null }
-      return { result: null }
+      })
-    })
 
     if (!folder) return undefined
     return `/folders/folders/${folder.id}`
@@ -1127,12 +1128,11 @@ export class SASViyaApiClient {
   private async getRecycleBinUri(accessToken: string) {
     const url = '/folders/folders/@myRecycleBin'
 
-    const { result: folder } = await this.get<Folder>(
+    const { result: folder } = await this.requestClient
-      `${this.serverUrl}${url}`,
+      .get<Folder>(`${this.serverUrl}${url}`, accessToken)
-      accessToken
+      .catch(() => {
-    ).catch(() => {
+        return { result: null }
-      return { result: null }
+      })
-    })
 
     if (!folder) return undefined
 
@@ -1196,27 +1196,31 @@ export class SASViyaApiClient {
     const sourceFolderId = sourceFolderUri?.split('/').pop()
     const url = sourceFolderUri
 
-    const { result: folder } = await this.patch<Folder>(
+    const { result: folder } = await this.requestClient
-      `${this.serverUrl}${url}`,
+      .patch<Folder>(
-      JSON.stringify({
+        `${this.serverUrl}${url}`,
-        id: sourceFolderId,
+        JSON.stringify({
-        name: targetFolderName,
+          id: sourceFolderId,
-        parentFolderUri: targetParentFolderUri
+          name: targetFolderName,
-      }),
+          parentFolderUri: targetParentFolderUri
-      accessToken
+        }),
-    ).catch((err) => {
+        accessToken
-      if (err.code && err.code === 'ENOTFOUND') {
+      )
-        const notFoundError = {
+      .catch((err) => {
-          body: JSON.stringify({
+        if (err.code && err.code === 'ENOTFOUND') {
-            message: `Folder '${sourceFolder.split('/').pop()}' was not found.`
+          const notFoundError = {
-          })
+            body: JSON.stringify({
+              message: `Folder '${sourceFolder
+                .split('/')
+                .pop()}' was not found.`
+            })
+          }
+
+          throw notFoundError
         }
 
-        throw notFoundError
+        throw err
-      }
+      })
-
-      throw err
-    })
 
     if (!folder) return undefined
 
@@ -1244,175 +1248,4 @@ export class SASViyaApiClient {
 
     return movedFolder
   }
-
-  setCsrfTokenLocal = (csrfToken: CsrfToken) => {
-    this.csrfToken = csrfToken
-    this.setCsrfToken(csrfToken)
-  }
-
-  setFileUploadCsrfToken = (csrfToken: CsrfToken) => {
-    this.fileUploadCsrfToken = csrfToken
-  }
-
-  private get<T>(
-    url: string,
-    accessToken?: string,
-    contentType = 'application/json'
-  ) {
-    const headers: any = {
-      'Content-Type': contentType
-    }
-    if (accessToken) {
-      headers.Authorization = `Bearer ${accessToken}`
-    }
-
-    const requestConfig: AxiosRequestConfig = {
-      headers,
-      responseType: contentType === 'text/plain' ? 'text' : 'json',
-      withCredentials: true
-    }
-    if (contentType === 'text/plain') {
-      requestConfig.headers.Accept = '*/*'
-      requestConfig.transformResponse = undefined
-    }
-
-    return this.httpClient.get<T>(url, requestConfig).then((response) => ({
-      result: response.data,
-      etag: response.headers['etag']
-    }))
-  }
-
-  private post<T>(
-    url: string,
-    data: any = {},
-    accessToken?: string
-  ): Promise<{ result: T; etag: string }> {
-    const headers: any = {
-      'Content-Type': 'application/json'
-    }
-    if (accessToken) {
-      headers.Authorization = `Bearer ${accessToken}`
-    }
-
-    if (this.csrfToken?.value) {
-      headers[this.csrfToken.headerName] = this.csrfToken.value
-    }
-
-    return this.httpClient
-      .post<T>(url, data, { headers, withCredentials: true })
-      .then((response) => {
-        return {
-          result: response.data as T,
-          etag: response.headers['etag'] as string
-        }
-      })
-      .catch((e) => {
-        const response = e.response as AxiosResponse
-        if (response.status === 403 || response.status === 449) {
-          const tokenHeader = (response.headers[
-            'x-csrf-header'
-          ] as string)?.toLowerCase()
-
-          if (tokenHeader) {
-            const token = response.headers[tokenHeader]
-            this.setCsrfTokenLocal({
-              headerName: tokenHeader,
-              value: token || ''
-            })
-            return this.post<T>(url, data, accessToken)
-          }
-          throw e
-        }
-        throw e
-      })
-  }
-
-  private delete<T>(url: string, accessToken?: string) {
-    const headers: any = {}
-    if (accessToken) {
-      headers.Authorization = `Bearer ${accessToken}`
-    }
-
-    if (this.csrfToken?.value) {
-      headers[this.csrfToken.headerName] = this.csrfToken.value
-    }
-
-    const requestConfig: AxiosRequestConfig = {
-      headers
-    }
-
-    return this.httpClient.delete<T>(url, requestConfig).then((response) => ({
-      result: response.data,
-      etag: response.headers['etag']
-    }))
-  }
-
-  private patch<T>(url: string, data: any = {}, accessToken?: string) {
-    const headers: any = {
-      'Content-Type': 'application/json'
-    }
-    if (accessToken) {
-      headers.Authorization = `Bearer ${accessToken}`
-    }
-
-    if (this.csrfToken?.value) {
-      headers[this.csrfToken.headerName] = this.csrfToken.value
-    }
-
-    return this.httpClient
-      .patch<T>(url, data, { headers, withCredentials: true })
-      .then((response) => {
-        return {
-          result: response.data as T,
-          etag: response.headers['etag'] as string
-        }
-      })
-  }
-
-  private uploadFile(
-    url: string,
-    content: string,
-    accessToken?: string
-  ): Promise<any> {
-    const headers: any = {
-      'Content-Type': 'application/json'
-    }
-    if (accessToken) {
-      headers.Authorization = `Bearer ${accessToken}`
-    }
-
-    if (this.fileUploadCsrfToken?.value) {
-      headers[
-        this.fileUploadCsrfToken.headerName
-      ] = this.fileUploadCsrfToken.value
-    }
-
-    return this.httpClient
-      .post(url, content, { headers, withCredentials: true })
-      .then((response) => {
-        return {
-          result: response.data,
-          etag: response.headers['etag'] as string
-        }
-      })
-      .catch((e) => {
-        const response = e.response as AxiosResponse
-        if (response.status === 403 || response.status === 449) {
-          const tokenHeader = (response.headers[
-            'x-csrf-header'
-          ] as string)?.toLowerCase()
-
-          if (tokenHeader) {
-            const token = response.headers[tokenHeader]
-            this.setFileUploadCsrfToken({
-              headerName: tokenHeader,
-              value: token || ''
-            })
-            return this.uploadFile(url, content, accessToken)
-          }
-          throw e
-        }
-        throw e
-      })
-  }
 }

src/SASjs.ts

@@ -24,6 +24,7 @@ import { SAS9ApiClient } from './SAS9ApiClient'
 import { FileUploader } from './FileUploader'
 import { isLogInRequired, AuthManager } from './auth'
 import { ServerType } from '@sasjs/utils/types'
+import { RequestClient } from './request/client'
 
 const defaultConfig: SASjsConfig = {
   serverUrl: '',
@@ -45,7 +46,6 @@ const requestRetryLimit = 5
 export default class SASjs {
   private sasjsConfig: SASjsConfig = new SASjsConfig()
   private jobsPath: string = ''
-  private csrfTokenApi: CsrfToken | null = null
   private csrfTokenWeb: CsrfToken | null = null
   private retryCountWeb: number = 0
   private retryCountComputeApi: number = 0
@@ -56,6 +56,7 @@ export default class SASjs {
   private sas9ApiClient: SAS9ApiClient | null = null
   private fileUploader: FileUploader | null = null
   private authManager: AuthManager | null = null
+  private requestClient: RequestClient | null = null
 
   constructor(config?: any) {
     this.sasjsConfig = {
@@ -420,22 +421,6 @@ export default class SASjs {
     return this.authManager!.userName
   }
 
-  /**
-   * Returns the _csrf token of the current session for the API approach.
-   *
-   */
-  public getCsrfApi() {
-    return this.csrfTokenApi?.value
-  }
-
-  /**
-   * Returns the _csrf token of the current session for the WEB approach.
-   *
-   */
-  public getCsrfWeb() {
-    return this.csrfTokenWeb?.value
-  }
-
   /**
    * Sets the SASjs configuration.
    * @param config - SASjs configuration.
@@ -498,8 +483,7 @@ export default class SASjs {
         this.sasjsConfig.appLoc,
         this.sasjsConfig.serverUrl,
         this.jobsPath,
-        this.setCsrfTokenWeb,
+        this.requestClient!
-        this.csrfTokenWeb
       )
 
     return fileUploader.uploadFile(sasJob, files, params)
@@ -604,7 +588,7 @@ export default class SASjs {
           serverUrl,
           appLoc,
           this.sasjsConfig.contextName,
-          this.setCsrfTokenApi
+          this.requestClient!
         )
         sasApiClient.debug = this.sasjsConfig.debug
       } else if (this.sasjsConfig.serverType === ServerType.Sas9) {
@@ -1150,14 +1134,6 @@ export default class SASjs {
     return sasjsWaitingRequest.requestPromise.promise
   }
 
-  private setCsrfTokenWeb = (csrfToken: CsrfToken) => {
-    this.csrfTokenWeb = csrfToken
-  }
-
-  private setCsrfTokenApi = (csrfToken: CsrfToken) => {
-    this.csrfTokenApi = csrfToken
-  }
-
   private resendWaitingRequests = async () => {
     for (const sasjsWaitingRequest of this.sasjsWaitingRequests) {
       this.request(sasjsWaitingRequest.SASjob, sasjsWaitingRequest.data).then(
@@ -1396,10 +1372,13 @@ export default class SASjs {
       this.sasjsConfig.serverUrl = this.sasjsConfig.serverUrl.slice(0, -1)
     }
 
+    this.requestClient = new RequestClient(this.sasjsConfig.serverUrl)
+
     this.jobsPath =
       this.sasjsConfig.serverType === ServerType.SasViya
         ? this.sasjsConfig.pathSASViya
         : this.sasjsConfig.pathSAS9
+
     this.authManager = new AuthManager(
       this.sasjsConfig.serverUrl,
       this.sasjsConfig.serverType!,
@@ -1417,7 +1396,7 @@ export default class SASjs {
           this.sasjsConfig.serverUrl,
           this.sasjsConfig.appLoc,
           this.sasjsConfig.contextName,
-          this.setCsrfTokenApi
+          this.requestClient
         )
 
       this.sasViyaApiClient.debug = this.sasjsConfig.debug
@@ -1432,7 +1411,7 @@ export default class SASjs {
       this.sasjsConfig.appLoc,
       this.sasjsConfig.serverUrl,
       this.jobsPath,
-      this.setCsrfTokenWeb
+      this.requestClient
     )
   }
 

src/SessionManager.ts

@@ -1,6 +1,7 @@
 import { Session, Context, CsrfToken, SessionVariable } from './types'
-import { asyncForEach, makeRequest, isUrl } from './utils'
+import { asyncForEach, isUrl } from './utils'
 import { prefixMessage } from '@sasjs/utils/error'
+import { RequestClient } from './request/client'
 
 const MAX_SESSION_COUNT = 1
 const RETRY_LIMIT: number = 3
@@ -14,7 +15,7 @@ export class SessionManager {
   constructor(
     private serverUrl: string,
     private contextName: string,
-    private setCsrfToken: (csrfToken: CsrfToken) => void
+    private requestClient: RequestClient
   ) {
     if (serverUrl) isUrl(serverUrl)
   }
@@ -63,10 +64,8 @@ export class SessionManager {
       headers: this.getHeaders(accessToken)
     }
 
-    return await this.request<Session>(
+    return await this.requestClient
-      `${this.serverUrl}/compute/sessions/${id}`,
+      .delete<Session>(`/compute/sessions/${id}`, accessToken)
-      deleteSessionRequest
-    )
       .then(() => {
         this.sessions = this.sessions.filter((s) => s.id !== id)
       })
@@ -98,17 +97,20 @@ export class SessionManager {
   }
 
   private async createAndWaitForSession(accessToken?: string) {
-    const createSessionRequest = {
+    const {
-      method: 'POST',
+      result: createdSession,
-      headers: this.getHeaders(accessToken)
+      etag
-    }
+    } = await this.requestClient
-
+      .post<Session>(
-    const { result: createdSession, etag } = await this.request<Session>(
+        `${this.serverUrl}/compute/contexts/${
-      `${this.serverUrl}/compute/contexts/${this.currentContext!.id}/sessions`,
+          this.currentContext!.id
-      createSessionRequest
+        }/sessions`,
-    ).catch((err) => {
+        {},
-      throw err
+        accessToken
-    })
+      )
+      .catch((err) => {
+        throw err
+      })
 
     await this.waitForSession(createdSession, etag, accessToken)
 
@@ -119,13 +121,13 @@ export class SessionManager {
 
   private async setCurrentContext(accessToken?: string) {
     if (!this.currentContext) {
-      const { result: contexts } = await this.request<{
+      const { result: contexts } = await this.requestClient
-        items: Context[]
+        .get<{
-      }>(`${this.serverUrl}/compute/contexts?limit=10000`, {
+          items: Context[]
-        headers: this.getHeaders(accessToken)
+        }>(`${this.serverUrl}/compute/contexts?limit=10000`, accessToken)
-      }).catch((err) => {
+        .catch((err) => {
-        throw err
+          throw err
-      })
+        })
 
       const contextsList =
         contexts && contexts.items && contexts.items.length
@@ -166,10 +168,7 @@ export class SessionManager {
     accessToken?: string
   ) {
     let sessionState = session.state
-    const headers: any = {
+
-      ...this.getHeaders(accessToken),
-      'If-None-Match': etag
-    }
     const stateLink = session.links.find((l: any) => l.rel === 'state')
 
     return new Promise(async (resolve, _) => {
@@ -185,12 +184,10 @@ export class SessionManager {
             this.printedSessionState.printed = true
           }
 
-          const { result: state } = await this.requestSessionStatus<string>(
+          const state = await this.getSessionState(
             `${this.serverUrl}${stateLink.href}?wait=30`,
-            {
+            etag!,
-              headers
+            accessToken
-            },
-            'text'
           ).catch((err) => {
             throw err
           })
@@ -223,73 +220,33 @@ export class SessionManager {
     })
   }
 
-  private async request<T>(
+  private async getSessionState(
     url: string,
-    options: RequestInit,
+    etag: string,
-    contentType: 'text' | 'json' = 'json'
+    accessToken?: string
   ) {
-    if (this.csrfToken) {
+    return await this.requestClient
-      options.headers = {
+      .get(url, accessToken, 'text/plain', { 'If-None-Match': etag })
-        ...options.headers,
+      .then((res) => res.result as string)
-        [this.csrfToken.headerName]: this.csrfToken.value
+      .catch((err) => {
-      }
+        if (err.status === INTERNAL_SAS_ERROR.status)
-    }
+          return INTERNAL_SAS_ERROR.message
 
-    return await makeRequest<T>(
+        throw err
-      url,
+      })
-      options,
-      (token) => {
-        this.csrfToken = token
-        this.setCsrfToken(token)
-      },
-      contentType
-    ).catch((err) => {
-      throw err
-    })
-  }
-
-  private async requestSessionStatus<T>(
-    url: string,
-    options: RequestInit,
-    contentType: 'text' | 'json' = 'json'
-  ) {
-    if (this.csrfToken) {
-      options.headers = {
-        ...options.headers,
-        [this.csrfToken.headerName]: this.csrfToken.value
-      }
-    }
-
-    return await makeRequest<T>(
-      url,
-      options,
-      (token) => {
-        this.csrfToken = token
-        this.setCsrfToken(token)
-      },
-      contentType
-    ).catch((err) => {
-      if (err.status === INTERNAL_SAS_ERROR.status)
-        return { result: INTERNAL_SAS_ERROR.message }
-
-      throw err
-    })
   }
 
   async getVariable(sessionId: string, variable: string, accessToken?: string) {
-    const getSessionVariable = {
+    return await this.requestClient
-      method: 'GET',
+      .get<SessionVariable>(
-      headers: this.getHeaders(accessToken)
+        `${this.serverUrl}/compute/sessions/${sessionId}/variables/${variable}`,
-    }
+        accessToken
-
-    return await this.request<SessionVariable>(
-      `${this.serverUrl}/compute/sessions/${sessionId}/variables/${variable}`,
-      getSessionVariable
-    ).catch((err) => {
-      throw prefixMessage(
-        err,
-        `Error while fetching session variable '${variable}'.`
       )
-    })
+      .catch((err) => {
+        throw prefixMessage(
+          err,
+          `Error while fetching session variable '${variable}'.`
+        )
+      })
   }
 }

src/request/client.ts

@@ -0,0 +1,262 @@
+import axios, { AxiosInstance, AxiosRequestConfig, AxiosResponse } from 'axios'
+import { CsrfToken } from '..'
+
+export class RequestClient {
+  private csrfToken: CsrfToken | undefined
+  private fileUploadCsrfToken: CsrfToken | undefined
+  private httpClient: AxiosInstance
+
+  constructor(baseUrl: string) {
+    this.httpClient = axios.create({ baseURL: baseUrl })
+  }
+
+  public getCsrfToken(type: 'general' | 'file' = 'general') {
+    return type === 'file' ? this.fileUploadCsrfToken : this.csrfToken
+  }
+
+  public async get<T>(
+    url: string,
+    accessToken: string | undefined,
+    contentType: string = 'application/json',
+    overrideHeaders: { [key: string]: string | number } = {}
+  ): Promise<{ result: T; etag: string }> {
+    const headers = {
+      ...this.getHeaders(accessToken, contentType),
+      ...overrideHeaders
+    }
+
+    const requestConfig: AxiosRequestConfig = {
+      headers,
+      responseType: contentType === 'text/plain' ? 'text' : 'json',
+      withCredentials: true
+    }
+    if (contentType === 'text/plain') {
+      requestConfig.headers.Accept = '*/*'
+      requestConfig.transformResponse = undefined
+    }
+
+    try {
+      const response = await this.httpClient.get<T>(url, requestConfig)
+      return {
+        result: response.data as T,
+        etag: response.headers['etag']
+      }
+    } catch (e) {
+      const response_1 = e.response as AxiosResponse
+      if (response_1.status === 403 || response_1.status === 449) {
+        this.parseAndSetCsrfToken(response_1)
+        if (this.csrfToken) {
+          return this.get<T>(url, accessToken, contentType, overrideHeaders)
+        }
+        throw e
+      }
+      throw e
+    }
+  }
+
+  public post<T>(
+    url: string,
+    data: any,
+    accessToken: string | undefined,
+    overrideHeaders: { [key: string]: string | number } = {}
+  ): Promise<{ result: T; etag: string }> {
+    const headers = {
+      ...this.getHeaders(accessToken, 'application/json'),
+      ...overrideHeaders
+    }
+
+    return this.httpClient
+      .post<T>(url, data, { headers, withCredentials: true })
+      .then((response) => {
+        return {
+          result: response.data as T,
+          etag: response.headers['etag'] as string
+        }
+      })
+      .catch((e) => {
+        const response = e.response as AxiosResponse
+        if (response.status === 403 || response.status === 449) {
+          this.parseAndSetCsrfToken(response)
+
+          if (this.csrfToken) {
+            return this.post<T>(url, data, accessToken)
+          }
+          throw e
+        }
+        throw e
+      })
+  }
+
+  public async put<T>(
+    url: string,
+    data: any,
+    accessToken: string | undefined,
+    overrideHeaders: { [key: string]: string | number } = {}
+  ): Promise<{ result: T; etag: string }> {
+    const headers = {
+      ...this.getHeaders(accessToken, 'application/json'),
+      ...overrideHeaders
+    }
+
+    try {
+      const response = await this.httpClient.put<T>(url, data, {
+        headers,
+        withCredentials: true
+      })
+      return {
+        result: response.data as T,
+        etag: response.headers['etag'] as string
+      }
+    } catch (e) {
+      const response_1 = e.response as AxiosResponse
+      if (response_1.status === 403 || response_1.status === 449) {
+        this.parseAndSetCsrfToken(response_1)
+
+        if (this.csrfToken) {
+          return this.put<T>(url, data, accessToken)
+        }
+        throw e
+      }
+      throw e
+    }
+  }
+
+  public async delete<T>(
+    url: string,
+    accessToken?: string
+  ): Promise<{ result: T; etag: string }> {
+    const headers = this.getHeaders(accessToken, 'application/json')
+
+    const requestConfig: AxiosRequestConfig = {
+      headers
+    }
+
+    try {
+      const response = await this.httpClient.delete<T>(url, requestConfig)
+      return {
+        result: response.data as T,
+        etag: response.headers['etag']
+      }
+    } catch (e) {
+      const response_1 = e.response as AxiosResponse
+      if (response_1.status === 403 || response_1.status === 449) {
+        this.parseAndSetCsrfToken(response_1)
+
+        if (this.csrfToken) {
+          return this.delete<T>(url, accessToken)
+        }
+        throw e
+      }
+      throw e
+    }
+  }
+
+  public async patch<T>(
+    url: string,
+    data: any = {},
+    accessToken?: string
+  ): Promise<{ result: T; etag: string }> {
+    const headers = this.getHeaders(accessToken, 'application/json')
+
+    try {
+      const response = await this.httpClient.patch<T>(url, data, {
+        headers,
+        withCredentials: true
+      })
+      return {
+        result: response.data as T,
+        etag: response.headers['etag'] as string
+      }
+    } catch (e) {
+      const response_1 = e.response as AxiosResponse
+      if (response_1.status === 403 || response_1.status === 449) {
+        this.parseAndSetCsrfToken(response_1)
+
+        if (this.csrfToken) {
+          return this.patch<T>(url, accessToken)
+        }
+        throw e
+      }
+      throw e
+    }
+  }
+
+  public async uploadFile(
+    url: string,
+    content: string,
+    accessToken?: string
+  ): Promise<any> {
+    const headers = this.getHeaders(accessToken, 'application/json')
+
+    if (this.fileUploadCsrfToken?.value) {
+      headers[
+        this.fileUploadCsrfToken.headerName
+      ] = this.fileUploadCsrfToken.value
+    }
+
+    try {
+      const response = await this.httpClient.post(url, content, { headers })
+      return {
+        result: response.data,
+        etag: response.headers['etag'] as string
+      }
+    } catch (e) {
+      const response_1 = e.response as AxiosResponse
+      if (response_1.status === 403 || response_1.status === 449) {
+        this.parseAndSetFileUploadCsrfToken(response_1)
+
+        if (this.fileUploadCsrfToken) {
+          return this.uploadFile(url, content, accessToken)
+        }
+        throw e
+      }
+      throw e
+    }
+  }
+
+  private getHeaders(accessToken: string | undefined, contentType: string) {
+    const headers: any = {
+      'Content-Type': contentType
+    }
+    if (accessToken) {
+      headers.Authorization = `Bearer ${accessToken}`
+    }
+    if (this.csrfToken?.value) {
+      headers[this.csrfToken.headerName] = this.csrfToken.value
+    }
+
+    return headers
+  }
+
+  private parseAndSetFileUploadCsrfToken(response: AxiosResponse) {
+    const token = this.parseCsrfToken(response)
+
+    if (token) {
+      this.fileUploadCsrfToken = token
+    }
+  }
+
+  private parseAndSetCsrfToken(response: AxiosResponse) {
+    const token = this.parseCsrfToken(response)
+
+    if (token) {
+      this.csrfToken = token
+    }
+  }
+
+  private parseCsrfToken(response: AxiosResponse): CsrfToken | undefined {
+    const tokenHeader = (response.headers[
+      'x-csrf-header'
+    ] as string)?.toLowerCase()
+
+    if (tokenHeader) {
+      const token = response.headers[tokenHeader]
+      const csrfToken = {
+        headerName: tokenHeader,
+        value: token || ''
+      }
+
+      return csrfToken
+    }
+  }
+}