From 4797f7e357ddb48ab4bcc46e1c68db225dce065e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Timoth=C3=A9e=20Alby?= <timothee.alby@gmail.com>
Date: Thu, 20 May 2021 11:19:01 +0200
Subject: [PATCH] Merge pull request #4047 from overleaf/ta-clear-sso-data

Clear SSO Data via Admin Panel

GitOrigin-RevId: bd4e79ccc7f98337bc1f8b78947cc647352f6fbe
---
 .../app/src/Features/Email/EmailBuilder.js    | 28 ++++++++++++++
 .../Features/Institutions/InstitutionsAPI.js  |  1 +
 .../web/app/src/Features/User/UserUpdater.js  | 38 +++++++++++++++++++
 3 files changed, 67 insertions(+)

diff --git a/services/web/app/src/Features/Email/EmailBuilder.js b/services/web/app/src/Features/Email/EmailBuilder.js
index c12ef1a2ad..d79318ee75 100644
--- a/services/web/app/src/Features/Email/EmailBuilder.js
+++ b/services/web/app/src/Features/Email/EmailBuilder.js
@@ -509,6 +509,34 @@ templates.securityAlert = NoCTAEmailTemplate({
   },
 })
 
+templates.SAMLDataCleared = ctaTemplate({
+  subject(opts) {
+    return `Institutional Login No Longer Linked - ${settings.appName}`
+  },
+  title(opts) {
+    return 'Institutional Login No Longer Linked'
+  },
+  message(opts, isPlainText) {
+    return [
+      `We're writing to let you know that due to a bug on our end, we've had to temporarily disable logging into your ${settings.appName} through your institution.`,
+      `To get it going again, you'll need to relink your institutional email address to your ${settings.appName} account via your settings.`,
+    ]
+  },
+  secondaryMessage() {
+    return [
+      `If you ordinarily log in to your ${settings.appName} account through your institution, you may need to set or reset your password to regain access to your account first.`,
+      'This bug did not affect the security of any accounts, but it may have affected license entitlements for a small number of users. We are sorry for any inconvenience that this may cause for you.',
+      `If you have any questions, please get in touch with our support team at ${settings.adminEmail} or by replying to this email.`,
+    ]
+  },
+  ctaText(opts) {
+    return 'Update my Emails and Affiliations'
+  },
+  ctaURL(opts) {
+    return `${settings.siteUrl}/user/settings`
+  },
+})
+
 function _formatUserNameAndEmail(user, placeholder) {
   if (user.first_name && user.last_name) {
     const fullName = `${user.first_name} ${user.last_name}`
diff --git a/services/web/app/src/Features/Institutions/InstitutionsAPI.js b/services/web/app/src/Features/Institutions/InstitutionsAPI.js
index 9a9c36a46c..2f1cc4fd4a 100644
--- a/services/web/app/src/Features/Institutions/InstitutionsAPI.js
+++ b/services/web/app/src/Features/Institutions/InstitutionsAPI.js
@@ -197,6 +197,7 @@ const InstitutionsAPI = {
         path: `/api/v2/users/${userId}/affiliations/remove_entitlement`,
         body: { email },
         defaultErrorMessage: "Couldn't remove entitlement",
+        extraSuccessStatusCodes: [404],
       },
       callback
     )
diff --git a/services/web/app/src/Features/User/UserUpdater.js b/services/web/app/src/Features/User/UserUpdater.js
index 33eda69b6f..12ecf266e6 100644
--- a/services/web/app/src/Features/User/UserUpdater.js
+++ b/services/web/app/src/Features/User/UserUpdater.js
@@ -81,6 +81,42 @@ async function addEmailAddress(userId, newEmail, affiliationOptions, auditLog) {
   }
 }
 
+async function clearSAMLData(userId, auditLog, sendEmail) {
+  const user = await UserGetter.promises.getUser(userId, {
+    email: 1,
+    emails: 1,
+  })
+
+  await UserAuditLogHandler.promises.addEntry(
+    userId,
+    'clear-institution-sso-data',
+    auditLog.initiatorId,
+    auditLog.ipAddress,
+    {}
+  )
+
+  const update = {
+    $unset: {
+      samlIdentifiers: 1,
+      'emails.$[].samlProviderId': 1,
+    },
+  }
+  await UserUpdater.promises.updateUser(userId, update)
+
+  for (const emailData of user.emails) {
+    await InstitutionsAPIPromises.removeEntitlement(userId, emailData.email)
+  }
+
+  await FeaturesUpdater.promises.refreshFeatures(
+    userId,
+    'clear-institution-sso-data'
+  )
+
+  if (sendEmail) {
+    await EmailHandler.promises.sendEmail('SAMLDataCleared', { to: user.email })
+  }
+}
+
 async function setDefaultEmailAddress(
   userId,
   email,
@@ -313,6 +349,8 @@ const UserUpdater = {
     })
   },
 
+  clearSAMLData: callbackify(clearSAMLData),
+
   // set the default email address by setting the `email` attribute. The email
   // must be one of the user's multiple emails (`emails` attribute)
   setDefaultEmailAddress: callbackify(setDefaultEmailAddress),