From fb2022fb1cb3c8023efd22316d570d9b26facbd1 Mon Sep 17 00:00:00 2001
From: Harrison Healey <harrisonmhealey@gmail.com>
Date: Fri, 4 Aug 2017 14:05:33 -0400
Subject: PLT-6924 Added ability to disable file uploads/downloads on old
 mobile apps (#7117)

---
 .../components/admin_console/storage_settings.jsx  | 84 ++++++++++++----------
 webapp/components/create_post.jsx                  |  3 +-
 webapp/components/file_attachment.jsx              | 47 +++++++-----
 webapp/components/file_info_preview.jsx            | 26 +++++--
 webapp/components/file_upload.jsx                  | 11 +--
 webapp/components/view_image.jsx                   | 29 ++++----
 webapp/components/view_image_popover_bar.jsx       | 45 +++++++-----
 webapp/utils/file_utils.jsx                        | 24 +++++++
 8 files changed, 174 insertions(+), 95 deletions(-)
 create mode 100644 webapp/utils/file_utils.jsx

diff --git a/webapp/components/admin_console/storage_settings.jsx b/webapp/components/admin_console/storage_settings.jsx
index 934a82f8f..4e0d9d19b 100644
--- a/webapp/components/admin_console/storage_settings.jsx
+++ b/webapp/components/admin_console/storage_settings.jsx
@@ -66,6 +66,53 @@ export default class StorageSettings extends AdminSettings {
     }
 
     renderSettings() {
+        const mobileUploadDownloadSettings = [];
+        if (window.mm_license.IsLicensed === 'true' && window.mm_license.Compliance === 'true') {
+            mobileUploadDownloadSettings.push(
+                <BooleanSetting
+                    key='enableMobileUpload'
+                    id='enableMobileUpload'
+                    label={
+                        <FormattedMessage
+                            id='admin.file.enableMobileUploadTitle'
+                            defaultMessage='Allow File Uploads on Mobile:'
+                        />
+                    }
+                    helpText={
+                        <FormattedMessage
+                            id='admin.file.enableMobileUploadDesc'
+                            defaultMessage='When false, disables file uploads on mobile apps. If Allow File Sharing is set to true, users can still upload files from a mobile web browser.'
+                        />
+                    }
+                    value={this.state.enableMobileUpload}
+                    onChange={this.handleChange}
+                    disabled={!this.state.enableFileAttachments}
+                />
+            );
+
+            mobileUploadDownloadSettings.push(
+                <BooleanSetting
+                    key='enableMobileDownload'
+                    id='enableMobileDownload'
+                    label={
+                        <FormattedMessage
+                            id='admin.file.enableMobileDownloadTitle'
+                            defaultMessage='Allow File Downloads on Mobile:'
+                        />
+                    }
+                    helpText={
+                        <FormattedMessage
+                            id='admin.file.enableMobileDownloadDesc'
+                            defaultMessage='When false, disables file downloads on mobile apps. Users can still download files from a mobile web browser.'
+                        />
+                    }
+                    value={this.state.enableMobileDownload}
+                    onChange={this.handleChange}
+                    disabled={!this.state.enableFileAttachments}
+                />
+            );
+        }
+
         return (
             <SettingsGroup>
                 <DropdownSetting
@@ -222,42 +269,7 @@ export default class StorageSettings extends AdminSettings {
                     value={this.state.enableFileAttachments}
                     onChange={this.handleChange}
                 />
-                <BooleanSetting
-                    id='enableMobileUpload'
-                    label={
-                        <FormattedMessage
-                            id='admin.file.enableMobileUploadTitle'
-                            defaultMessage='Allow File Uploads on Mobile:'
-                        />
-                    }
-                    helpText={
-                        <FormattedMessage
-                            id='admin.file.enableMobileUploadDesc'
-                            defaultMessage='When false, disables file uploads on mobile apps. If Allow File Sharing is set to true, users can still upload files from a mobile web browser.'
-                        />
-                    }
-                    value={this.state.enableMobileUpload}
-                    onChange={this.handleChange}
-                    disabled={!this.state.enableFileAttachments}
-                />
-                <BooleanSetting
-                    id='enableMobileDownload'
-                    label={
-                        <FormattedMessage
-                            id='admin.file.enableMobileDownloadTitle'
-                            defaultMessage='Allow File Downloads on Mobile:'
-                        />
-                    }
-                    helpText={
-                        <FormattedMessage
-                            id='admin.file.enableMobileDownloadDesc'
-                            defaultMessage='When false, disables file downloads on mobile apps. Users can still download files from a mobile web browser.'
-                        />
-                    }
-                    value={this.state.enableMobileDownload}
-                    onChange={this.handleChange}
-                    disabled={!this.state.enableFileAttachments}
-                />
+                {mobileUploadDownloadSettings}
                 <TextSetting
                     id='maxFileSize'
                     label={
diff --git a/webapp/components/create_post.jsx b/webapp/components/create_post.jsx
index f822f46f4..55d6884ac 100644
--- a/webapp/components/create_post.jsx
+++ b/webapp/components/create_post.jsx
@@ -28,6 +28,7 @@ import TeamStore from 'stores/team_store.jsx';
 import ConfirmModal from './confirm_modal.jsx';
 
 import Constants from 'utils/constants.jsx';
+import * as FileUtils from 'utils/file_utils';
 
 import {FormattedHTMLMessage, FormattedMessage} from 'react-intl';
 import {browserHistory} from 'react-router/es6';
@@ -710,7 +711,7 @@ export default class CreatePost extends React.Component {
         }
 
         let attachmentsDisabled = '';
-        if (global.window.mm_config.EnableFileAttachments === 'false') {
+        if (!FileUtils.canUploadFiles()) {
             attachmentsDisabled = ' post-create--attachment-disabled';
         }
 
diff --git a/webapp/components/file_attachment.jsx b/webapp/components/file_attachment.jsx
index 9459c44ef..3d7f936c8 100644
--- a/webapp/components/file_attachment.jsx
+++ b/webapp/components/file_attachment.jsx
@@ -1,15 +1,15 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
 // See License.txt for license information.
 
-import Constants from 'utils/constants.jsx';
-import {getFileUrl, getFileThumbnailUrl} from 'mattermost-redux/utils/file_utils';
-import * as Utils from 'utils/utils.jsx';
-
+import PropTypes from 'prop-types';
+import React from 'react';
 import {Tooltip, OverlayTrigger} from 'react-bootstrap';
 
-import PropTypes from 'prop-types';
+import Constants from 'utils/constants.jsx';
+import * as FileUtils from 'utils/file_utils';
+import * as Utils from 'utils/utils.jsx';
 
-import React from 'react';
+import {getFileUrl, getFileThumbnailUrl} from 'mattermost-redux/utils/file_utils';
 
 export default class FileAttachment extends React.Component {
     constructor(props) {
@@ -101,6 +101,8 @@ export default class FileAttachment extends React.Component {
             trimmedFilename = fileName;
         }
 
+        const canDownloadFiles = FileUtils.canDownloadFiles();
+
         let filenameOverlay;
         if (this.props.compactDisplay) {
             filenameOverlay = (
@@ -124,7 +126,7 @@ export default class FileAttachment extends React.Component {
                     </a>
                 </OverlayTrigger>
             );
-        } else {
+        } else if (canDownloadFiles) {
             filenameOverlay = (
                 <OverlayTrigger
                     trigger={['hover', 'focus']}
@@ -143,6 +145,27 @@ export default class FileAttachment extends React.Component {
                     </a>
                 </OverlayTrigger>
             );
+        } else {
+            filenameOverlay = (
+                <span className='post-image__name'>
+                    {trimmedFilename}
+                </span>
+            );
+        }
+
+        let downloadButton = null;
+        if (canDownloadFiles) {
+            downloadButton = (
+                <a
+                    href={fileUrl}
+                    download={fileName}
+                    className='post-image__download'
+                    target='_blank'
+                    rel='noopener noreferrer'
+                >
+                    <span className='fa fa-download'/>
+                </a>
+            );
         }
 
         return (
@@ -157,15 +180,7 @@ export default class FileAttachment extends React.Component {
                 <div className='post-image__details'>
                     {filenameOverlay}
                     <div>
-                        <a
-                            href={fileUrl}
-                            download={fileName}
-                            className='post-image__download'
-                            target='_blank'
-                            rel='noopener noreferrer'
-                        >
-                            <span className='fa fa-download'/>
-                        </a>
+                        {downloadButton}
                         <span className='post-image__type'>{fileInfo.extension.toUpperCase()}</span>
                         <span className='post-image__size'>{Utils.fileSizeToString(fileInfo.size)}</span>
                     </div>
diff --git a/webapp/components/file_info_preview.jsx b/webapp/components/file_info_preview.jsx
index 4a90c4728..6032defb6 100644
--- a/webapp/components/file_info_preview.jsx
+++ b/webapp/components/file_info_preview.jsx
@@ -1,10 +1,10 @@
-import PropTypes from 'prop-types';
-
 // Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
 // See License.txt for license information.
 
+import PropTypes from 'prop-types';
 import React from 'react';
 
+import * as FileUtils from 'utils/file_utils';
 import * as Utils from 'utils/utils.jsx';
 
 export default class FileInfoPreview extends React.Component {
@@ -35,17 +35,31 @@ export default class FileInfoPreview extends React.Component {
 
         const infoString = infoParts.join(', ');
 
-        return (
-            <div className='file-details__container'>
+        let preview = null;
+        if (FileUtils.canDownloadFiles()) {
+            preview = (
                 <a
-                    className={'file-details__preview'}
-                    to={fileUrl}
+                    className='file-details__preview'
+                    href={fileUrl}
                     target='_blank'
                     rel='noopener noreferrer'
                 >
                     <span className='file-details__preview-helper'/>
                     <img src={Utils.getFileIconPath(fileInfo)}/>
                 </a>
+            );
+        } else {
+            preview = (
+                <span className='file-details__preview'>
+                    <span className='file-details__preview-helper'/>
+                    <img src={Utils.getFileIconPath(fileInfo)}/>
+                </span>
+            );
+        }
+
+        return (
+            <div className='file-details__container'>
+                {preview}
                 <div className='file-details'>
                     <div className='file-details__name'>{fileInfo.name}</div>
                     <div className='file-details__info'>{infoString}</div>
diff --git a/webapp/components/file_upload.jsx b/webapp/components/file_upload.jsx
index 0eb12a097..3e28f11df 100644
--- a/webapp/components/file_upload.jsx
+++ b/webapp/components/file_upload.jsx
@@ -8,6 +8,7 @@ import Constants from 'utils/constants.jsx';
 import ChannelStore from 'stores/channel_store.jsx';
 import DelayedAction from 'utils/delayed_action.jsx';
 import * as UserAgent from 'utils/user_agent.jsx';
+import * as FileUtils from 'utils/file_utils';
 import * as Utils from 'utils/utils.jsx';
 
 import {intlShape, injectIntl, defineMessages} from 'react-intl';
@@ -135,7 +136,7 @@ class FileUpload extends React.Component {
     }
 
     handleDrop(e) {
-        if (global.window.mm_config.EnableFileAttachments === 'false') {
+        if (!FileUtils.canUploadFiles()) {
             this.props.onUploadError(Utils.localizeMessage('file_upload.disabled', 'File attachments are disabled.'));
             return;
         }
@@ -172,7 +173,7 @@ class FileUpload extends React.Component {
         });
 
         let dragsterActions = {};
-        if (global.window.mm_config.EnableFileAttachments === 'true') {
+        if (FileUtils.canUploadFiles()) {
             dragsterActions = {
                 enter(dragsterEvent, e) {
                     var files = e.originalEvent.dataTransfer;
@@ -263,7 +264,7 @@ class FileUpload extends React.Component {
         // This looks redundant, but must be done this way due to
         // setState being an asynchronous call
         if (items && items.length > 0) {
-            if (global.window.mm_config.EnableFileAttachments === 'false') {
+            if (!FileUtils.canUploadFiles()) {
                 this.props.onUploadError(Utils.localizeMessage('file_upload.disabled', 'File attachments are disabled.'));
                 return;
             }
@@ -326,7 +327,7 @@ class FileUpload extends React.Component {
         if (Utils.cmdOrCtrlPressed(e) && e.keyCode === Constants.KeyCodes.U) {
             e.preventDefault();
 
-            if (global.window.mm_config.EnableFileAttachments === 'false') {
+            if (!FileUtils.canUploadFiles()) {
                 this.props.onUploadError(Utils.localizeMessage('file_upload.disabled', 'File attachments are disabled.'));
                 return;
             }
@@ -377,7 +378,7 @@ class FileUpload extends React.Component {
         const uploadsRemaining = Constants.MAX_UPLOAD_FILES - this.props.getFileCount(channelId);
 
         let fileDiv;
-        if (global.window.mm_config.EnableFileAttachments === 'true') {
+        if (FileUtils.canUploadFiles()) {
             fileDiv = (
                 <div className='icon--attachment'>
                     <span
diff --git a/webapp/components/view_image.jsx b/webapp/components/view_image.jsx
index 237d0a6dc..4350711fc 100644
--- a/webapp/components/view_image.jsx
+++ b/webapp/components/view_image.jsx
@@ -1,24 +1,25 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
 // See License.txt for license information.
 
-import AudioVideoPreview from './audio_video_preview.jsx';
-import CodePreview from './code_preview.jsx';
-import PDFPreview from './pdf_preview.jsx';
-import FileInfoPreview from './file_info_preview.jsx';
-import ViewImagePopoverBar from './view_image_popover_bar.jsx';
+import $ from 'jquery';
+import PropTypes from 'prop-types';
+import React from 'react';
+import {Modal} from 'react-bootstrap';
 
 import * as GlobalActions from 'actions/global_actions.jsx';
 
+import * as FileUtils from 'utils/file_utils';
 import * as Utils from 'utils/utils.jsx';
-import {getFileUrl, getFilePreviewUrl} from 'mattermost-redux/utils/file_utils';
 
-import Constants from 'utils/constants.jsx';
-const KeyCodes = Constants.KeyCodes;
+import {KeyCodes} from 'utils/constants.jsx';
 
-import $ from 'jquery';
-import PropTypes from 'prop-types';
-import React from 'react';
-import {Modal} from 'react-bootstrap';
+import {getFileUrl, getFilePreviewUrl} from 'mattermost-redux/utils/file_utils';
+
+import AudioVideoPreview from './audio_video_preview.jsx';
+import CodePreview from './code_preview.jsx';
+import FileInfoPreview from './file_info_preview.jsx';
+import PDFPreview from './pdf_preview.jsx';
+import ViewImagePopoverBar from './view_image_popover_bar.jsx';
 
 import loadingGif from 'images/load.gif';
 
@@ -350,6 +351,10 @@ function ImagePreview({fileInfo, fileUrl}) {
         previewUrl = fileUrl;
     }
 
+    if (!FileUtils.canDownloadFiles()) {
+        return <img src={previewUrl}/>;
+    }
+
     return (
         <a
             href={fileUrl}
diff --git a/webapp/components/view_image_popover_bar.jsx b/webapp/components/view_image_popover_bar.jsx
index 88055b47b..6a092cbbe 100644
--- a/webapp/components/view_image_popover_bar.jsx
+++ b/webapp/components/view_image_popover_bar.jsx
@@ -1,13 +1,13 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
 // See License.txt for license information.
 
-import {FormattedMessage} from 'react-intl';
-
 import PropTypes from 'prop-types';
-
 import React from 'react';
+import {FormattedMessage} from 'react-intl';
+
+import * as FileUtils from 'utils/file_utils';
 
-export default class ViewImagePopoverBar extends React.Component {
+export default class ViewImagePopoverBar extends React.PureComponent {
     render() {
         var publicLink = '';
         if (global.window.mm_config.EnablePublicLink === 'true') {
@@ -34,21 +34,9 @@ export default class ViewImagePopoverBar extends React.Component {
             footerClass += ' footer--show';
         }
 
-        return (
-            <div
-                ref='imageFooter'
-                className={footerClass}
-            >
-                <span className='pull-left text'>
-                    <FormattedMessage
-                        id='view_image_popover.file'
-                        defaultMessage='File {count, number} of {total, number}'
-                        values={{
-                            count: (this.props.fileId + 1),
-                            total: this.props.totalFiles
-                        }}
-                    />
-                </span>
+        let downloadLinks = null;
+        if (FileUtils.canDownloadFiles()) {
+            downloadLinks = (
                 <div className='image-links'>
                     {publicLink}
                     <a
@@ -64,6 +52,25 @@ export default class ViewImagePopoverBar extends React.Component {
                         />
                     </a>
                 </div>
+            );
+        }
+
+        return (
+            <div
+                ref='imageFooter'
+                className={footerClass}
+            >
+                <span className='pull-left text'>
+                    <FormattedMessage
+                        id='view_image_popover.file'
+                        defaultMessage='File {count, number} of {total, number}'
+                        values={{
+                            count: (this.props.fileId + 1),
+                            total: this.props.totalFiles
+                        }}
+                    />
+                </span>
+                {downloadLinks}
             </div>
         );
     }
diff --git a/webapp/utils/file_utils.jsx b/webapp/utils/file_utils.jsx
new file mode 100644
index 000000000..42feb11be
--- /dev/null
+++ b/webapp/utils/file_utils.jsx
@@ -0,0 +1,24 @@
+// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+import * as UserAgent from 'utils/user_agent';
+
+export function canUploadFiles() {
+    if (window.mm_config.EnableFileAttachments === 'false') {
+        return false;
+    }
+
+    if (UserAgent.isMobileApp() && window.mm_license.IsLicensed === 'true' && window.mm_license.Compliance === 'true') {
+        return window.mm_config.EnableMobileFileUpload !== 'false';
+    }
+
+    return true;
+}
+
+export function canDownloadFiles() {
+    if (UserAgent.isMobileApp() && window.mm_license.IsLicensed === 'true' && window.mm_license.Compliance === 'true') {
+        return window.mm_config.EnableMobileFileDownload !== 'false';
+    }
+
+    return true;
+}
-- 
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