From a941ce5fffbece239d0079276a2521d4571dd86d Mon Sep 17 00:00:00 2001
From: Elias Nahum <nahumhbl@gmail.com>
Date: Mon, 11 Mar 2019 06:58:59 -0300
Subject: [PATCH] Add Office 365 login support (#2628)

---
 app/constants/view.js                      |  1 +
 app/screens/login_options/login_options.js | 36 ++++++++++++++++++++++
 app/screens/select_server/select_server.js |  3 +-
 app/screens/sso/sso.js                     |  6 ++++
 assets/base/config.json                    |  1 +
 assets/base/i18n/en.json                   |  1 +
 6 files changed, 47 insertions(+), 1 deletion(-)

diff --git a/app/constants/view.js b/app/constants/view.js
index 0c2350029..b885a87e9 100644
--- a/app/constants/view.js
+++ b/app/constants/view.js
@@ -58,6 +58,7 @@ const ViewTypes = keyMirror({
     REMOVE_LAST_CHANNEL_FOR_TEAM: null,
 
     GITLAB: null,
+    OFFICE365: null,
     SAML: null,
 
     SET_INITIAL_POST_VISIBILITY: null,
diff --git a/app/screens/login_options/login_options.js b/app/screens/login_options/login_options.js
index a65133a10..7ce99601c 100644
--- a/app/screens/login_options/login_options.js
+++ b/app/screens/login_options/login_options.js
@@ -188,6 +188,41 @@ class LoginOptions extends PureComponent {
         return null;
     };
 
+    renderO365Option = () => {
+        const {config, license} = this.props;
+        const forceHideFromLocal = LocalConfig.HideO365LoginExperimental;
+        const o365Enabled = config.EnableSignUpWithOffice365 === 'true' && license.IsLicensed === 'true' && license.Office365OAuth === 'true';
+
+        if (!forceHideFromLocal && o365Enabled) {
+            const backgroundColor = config.EmailLoginButtonColor || '#2389d7';
+            const additionalStyle = {
+                backgroundColor,
+            };
+
+            if (config.EmailLoginButtonBorderColor) {
+                additionalStyle.borderColor = config.EmailLoginButtonBorderColor;
+            }
+
+            const textColor = config.EmailLoginButtonTextColor || 'white';
+
+            return (
+                <Button
+                    key='o365'
+                    onPress={preventDoubleTap(() => this.goToSSO(ViewTypes.OFFICE365))}
+                    containerStyle={[GlobalStyles.signupButton, additionalStyle]}
+                >
+                    <FormattedText
+                        id='signup.office365'
+                        defaultMessage='Office 365'
+                        style={[GlobalStyles.signupButtonText, {color: textColor}]}
+                    />
+                </Button>
+            );
+        }
+
+        return null;
+    };
+
     renderSamlOption = () => {
         const {config, license} = this.props;
         const forceHideFromLocal = LocalConfig.HideSAMLLoginExperimental;
@@ -255,6 +290,7 @@ class LoginOptions extends PureComponent {
                 {this.renderLdapOption()}
                 {this.renderGitlabOption()}
                 {this.renderSamlOption()}
+                {this.renderO365Option()}
             </ScrollView>
         );
     }
diff --git a/app/screens/select_server/select_server.js b/app/screens/select_server/select_server.js
index b9285967e..d11927d0d 100644
--- a/app/screens/select_server/select_server.js
+++ b/app/screens/select_server/select_server.js
@@ -205,9 +205,10 @@ export default class SelectServer extends PureComponent {
         const {config, license} = props;
         const samlEnabled = config.EnableSaml === 'true' && license.IsLicensed === 'true' && license.SAML === 'true';
         const gitlabEnabled = config.EnableSignUpWithGitLab === 'true';
+        const o365Enabled = config.EnableSignUpWithOffice365 === 'true' && license.IsLicensed === 'true' && license.Office365OAuth === 'true';
 
         let options = 0;
-        if (samlEnabled || gitlabEnabled) {
+        if (samlEnabled || gitlabEnabled || o365Enabled) {
             options += 1;
         }
 
diff --git a/app/screens/sso/sso.js b/app/screens/sso/sso.js
index dd4d7011c..ffef65138 100644
--- a/app/screens/sso/sso.js
+++ b/app/screens/sso/sso.js
@@ -90,6 +90,10 @@ class SSO extends PureComponent {
             this.loginUrl = `${props.serverUrl}/login/sso/saml?action=mobile`;
             this.completedUrl = '/login/sso/saml';
             break;
+        case ViewTypes.OFFICE365:
+            this.loginUrl = `${props.serverUrl}/oauth/office365/mobile_login`;
+            this.completedUrl = '/signup/office365/complete';
+            break;
         }
     }
 
@@ -234,6 +238,8 @@ class SSO extends PureComponent {
                     onLoadEnd={this.onLoadEnd}
                     onMessage={messagingEnabled ? this.onMessage : null}
                     useWebKit={true}
+                    useSharedProcessPool={true}
+                    cacheEnabled={true}
                 />
             );
         }
diff --git a/assets/base/config.json b/assets/base/config.json
index f85cd1e50..25f321eda 100644
--- a/assets/base/config.json
+++ b/assets/base/config.json
@@ -17,6 +17,7 @@
     "HideGitLabLoginExperimental": false,
     "HideLDAPLoginExperimental": false,
     "HideSAMLLoginExperimental": false,
+    "HideO365LoginExperimental": false,
 
     "SentryEnabled": false,
     "SentryDsnIos": "",
diff --git a/assets/base/i18n/en.json b/assets/base/i18n/en.json
index 676de02eb..81da5d375 100644
--- a/assets/base/i18n/en.json
+++ b/assets/base/i18n/en.json
@@ -498,6 +498,7 @@
   "sidebar.unreadSection": "UNREADS",
   "sidebar.unreads": "More unreads",
   "signup.email": "Email and Password",
+  "signup.office365": "Office 365",
   "status_dropdown.set_away": "Away",
   "status_dropdown.set_dnd": "Do Not Disturb",
   "status_dropdown.set_offline": "Offline",