Remove pdf export code

Signed-off-by: Tilman Vatteroth <tilman.vatteroth@tu-dortmund.de>

lib/config/default.js

@@ -160,7 +160,6 @@ module.exports = {
   email: true,
   allowEmailRegister: true,
   allowGravatar: true,
-  allowPDFExport: true,
   openID: false,
   // linkifyHeaderStyle - How is a header text converted into a link id.
   // Header Example: "3.1. Good Morning my Friend! - Do you have 5$?"

lib/config/environment.js

@@ -137,7 +137,6 @@ module.exports = {
   email: toBooleanConfig(process.env.CMD_EMAIL),
   allowEmailRegister: toBooleanConfig(process.env.CMD_ALLOW_EMAIL_REGISTER),
   allowGravatar: toBooleanConfig(process.env.CMD_ALLOW_GRAVATAR),
-  allowPDFExport: toBooleanConfig(process.env.CMD_ALLOW_PDF_EXPORT),
   openID: toBooleanConfig(process.env.CMD_OPENID),
   linkifyHeaderStyle: process.env.CMD_LINKIFY_HEADER_STYLE
 }

lib/config/hackmdEnvironment.js

@@ -121,6 +121,5 @@ module.exports = {
     }
   },
   email: toBooleanConfig(process.env.HMD_EMAIL),
-  allowEmailRegister: toBooleanConfig(process.env.HMD_ALLOW_EMAIL_REGISTER),
-  allowPDFExport: toBooleanConfig(process.env.HMD_ALLOW_PDF_EXPORT)
+  allowEmailRegister: toBooleanConfig(process.env.HMD_ALLOW_EMAIL_REGISTER)
 }

lib/config/index.js

@@ -125,7 +125,6 @@ config.isMattermostEnable = config.mattermost.clientID && config.mattermost.clie
 config.isLDAPEnable = config.ldap.url
 config.isSAMLEnable = config.saml.idpSsoUrl
 config.isOAuth2Enable = config.oauth2.clientID && config.oauth2.clientSecret
-config.isPDFExportEnable = config.allowPDFExport
 
 // Check gitlab api version
 if (config.gitlab && config.gitlab.version !== 'v4' && config.gitlab.version !== 'v3') {
@@ -194,12 +193,6 @@ switch (config.imageUploadType) {
     ]
 }
 
-// Disable PDF export due to security issue
-if (config.allowPDFExport) {
-  config.allowPDFExport = false
-  logger.warn('PDF export was disabled for this release to mitigate a critical security issue. This feature will hopefully become available again in future releases.')
-}
-
 // generate correct path
 config.sslCAPath.forEach(function (capath, i, array) {
   array[i] = path.resolve(appRootPath, capath)

lib/config/oldDefault.js

@@ -37,6 +37,5 @@ module.exports = {
   // document
   documentmaxlength: undefined,
   imageuploadtype: undefined,
-  allowemailregister: undefined,
-  allowpdfexport: undefined
+  allowemailregister: undefined
 }