Migrate Google Drive API to the REST V3 API #213
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The Google Drive Android API that was used to upload/retrieve channels backup has been deprecated and scheduled for termination at the end of Dec, 2019. We switch to the REST V3 API which provides almost the same feature set, albeit without offline syncing. The lack of offline syncing is not an issue since we already save the channels backup on-device. see: https://developers.google.com/drive/android/deprecation * Hidden AppData folder Since Google mentions that the hidden AppData folder is going to be deprecated at some point, and since the user has already access to the actual backup file, there is no reason to hide the backups and the Google Drive backup files are now stored in a regular Drive folder that the user can freely access. Note that the app still checks for old backup that would be in this hidden AppData folder. Subsequent backups will be uploaded to the public folder. * Backup compression The backup files are now compressed before being encrypted to save some bandwidth. Fixes #208
Also fixes an issue where gdrive backup setup in newly created wallet would not complete properly.
sstone
approved these changes
Oct 2, 2019
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The Google Drive Android API that was used to upload/retrieve channels backup has been deprecated and scheduled for termination at the end of Dec, 2019. We switch to the REST V3 API which provides almost the same feature set, albeit without offline syncing. The lack of offline syncing is not an issue since we already save the channels backup on-device.
see: https://developers.google.com/drive/android/deprecation
Hidden AppData folder
Since Google mentions that the hidden AppData folder is going to be deprecated at some point, and since the user already has access to the actual backup file and can tamper with it, there is no reason to hide the backup file. Thus the Google Drive backup files are now stored in a regular Drive folder (named
eclair-mobileat the root ofMy Drive) that the user can freely access.Note that the app still checks for old backup that would be in this hidden AppData folder. Subsequent backups will be uploaded to the public folder.
Backup compression
The backup files are now compressed (using ZLIB) before being encrypted to save some bandwidth.