google drive reverse proxy nginx.conf

# # # # # # # # # #
# USAGE: 
# 
# $accelUri = ''
#     . '/' . 'internal_google_drive'
#     . '/' . $google_drive_file_id
#     . '/' . $filename
#     . '/' . $google_drive_access_token;
# http_response_code(204);
# header('X-Accel-Redirect: ' . rawurlencode($accelUri));
# 
# # # # # # # # # #

location ~* ^/internal_google_drive/(.+)/(.+)/(.*)$ {
    limit_rate 1m;

    # Do not allow people to mess with this location directly
    # Only internal redirects are allowed
    internal;

    # nginx has to be able to resolve the remote URLs
    resolver 8.8.8.8;

    # Location-specific logging
    access_log /var/log/nginx/internal_google_drive.access.log;
    error_log /var/log/nginx/internal_google_drive.error.log;

    # Extract download url from the request
    set $download_id $1;
    set $filename $2;
    set $token $3;

    # Compose download url
    set $download_url https://www.googleapis.com/drive/v3/files/$download_id?alt=media;

    # Set download request headers
    proxy_set_header Authorization 'Bearer $token';

    # The next two lines could be used if your storage
    # backend does not support Content-Disposition
    # headers used to specify file name browsers use
    # when save content to the disk
    proxy_hide_header Content-Disposition;
    add_header Content-Disposition 'attachment; filename="$filename"';

    # Do not touch local disks when proxying
    # content to clients
    proxy_max_temp_file_size 0;

    # Download the file and send it to client
    proxy_pass $download_url;
    post_action @dispose;
}

location @dispose {
    set $path https://127.0.0.1/dl/dispose;
    proxy_method GET;
    proxy_set_header Host $server_name;
    proxy_pass $path;
}