Direct linking to a Google Drive hosted file in preview mode - google-drive-api

I'm trying to link directly to a Google Drive file that is publicly available with (anyone, and reader) set as permissions and with no value set. This should make the doc publicly available on the internet.
The link I'm using to access the file is:
https://drive.google.com/folderview?id=FILD-ID&usp=sharing
The problem is this link takes the user to a listing of the file which requires another click to preview it.
How do I link directly to the previewer in Google Drive?

Related

How to get a direct link from Google Drive?

I know it is possible to get a link that will initiate a download of a file from Google Drive. But this is not exactly what I am looking for. I want to be able to have the link of a file with its extension.
For example, it is possible to do this with Dropbox. I am able to get a direct link if I change "www.dropbox.com" to "dl.dropboxusercontent.com". So if I have a video file, it will play on the browser's player instead of opening the page to download it.
With Google Drive I don't know how to do this. If I generate a direct link, it will then create a link that automatically starts a download. A direct link for a .txt file will not be rendered on the browser. It will be downloaded instead.
So, it is possible to have a direct link to a file in Google Drive that is not the direct link that starts downloading automatically, but instead with the directory/file.ext?
There are several things you need to understand about how the Google drive api works.
When you do a file.get with the Google Drive api it returns a file resource this is the response for the file itself. The information about it that google is willing to share with us. There are two fields here you may find interesting
The first thing you should know is that a file has one or the other of these links not both. If the file is a binary type for example an image you will be given a webContentLink which can be used to download the file, If its say a google sheet then you will be given a webViewLink which can be used to view the file in Google Drive web application.
Which link you get depends entirely upon the type of file it is. No matter which link you get you will still need to have permission to access this file. So whoever clicks the link must have at the very least read permission to the file.
On the Google drive web application we can create links which can be shared with anyone and allow anyone to "access" there is no way to create these links VIA the api.
What you wish to do is out of scope for the Google drive api, probably due to security reasons. Also the simple fact that google drive api is not a file service api it a file storage system. THere is a difference.

Using Google Drive SDK to grant another Drive App authorization to file?

I have multiple Google Drive Apps published that have different client ids. When one Drive App creates a file, I would like to set the permissions on that file to allow the second Drive App access to that file. My use case is that from the first applications ui, I would like to allow the end user to launch the second application. Currently, the user needs to leave the first application and go to the drive ui and use the context menu to select open with.
In Google Drive UI, there is a context menu that says "View authorized apps...". I am basically looking for an API to add an entry to that list.
Thanks.
Jeremy
That is not possible. For security reasons, an app can only be granted authorization to see a file via direct user action: specifically opening the file with that app via open-with or the web or Android file pickers.

Generate a URL for Google Drive publicly shared files and access them

I have a collection of PDF files on a Google Drive. I have shared them and I want to be able to link to them from a list on a web site. What I'd like to be able to do is work out the file name of the PDF using information in the list. As a simple example, if my list contains items 1, 2 and 3 I'd like to be able to upload PDF files 1.PDF 2.PDF and 3.PDF to Google Drive then have the web site just link to those when a link is clicked and show the PDF files in the browser.
So, I guess I could do this just by uploading the PDF to Google Drive and manually adding a link to PDF on the web site. However, what I want to do is generate the link programmatically so that when I have, say, 50 PDF files I don't have to keep getting the link from Google Drive and adding it to the web site. The site should just work out that item 50, say, in the list will link to 50.PDF, for example.
I've tried to get the file id using the API but that requires the authorization token to be generated and manual intervention to take place, so that won't work. At least, not at the point where the file is viewed because the viewer is anonymous.
So my questions are:
Is it possible to work out what a file name will be on the drive using just something like an item number in a list?
I guess that there are maybe some other options - for example, when I add the items to the list on the web site programmatically, I could go and locate the google drive file manually using a web application and link it using the file id at that point. I could store the ID in a database - however, would any anonymous user then be able to just click on the file link on the web site and view the file?
Finally, can anyone think of another way to do this?
Any help would be appreciated! :)
Is it possible for you to use a service account? You can authorize the app with an account dedicated to your app and user doesn't need to authorize and authenticate. The files you will be uploading will be managed under the service account's Drive.
You can learn more about service accounts on https://developers.google.com/accounts/docs/OAuth2ServiceAccount
If you have implementation specific questions, please ask.

Provide preview for custom files in Google Drive

I've developed a Google Drive app called VideoNot.es (http://videonot.es).
When users try to open files directly from Drive, without installing the Chrome app, it shows up an overlay saying "No preview". In consequence, they don't really understand how to open it with my app and I have to explain that they need to go to Manage Apps and make VideoNot.es the default app for this kind of files.
How can I improve this flow?
Thanks for your help!
Provide a file thumbnail, it should appear on the file preview if Google Drive can't render a thumbnail itself. Details are on https://developers.google.com/drive/file at the "Uploading thumbnails" section.

google drive preview generation while uploading document

Can a google drive application generate a preview for a file (which is not handled by google drive by default) when a file of that type is uploaded by the user, rather than creating it using that application?(Assuming the user has authorized that application)
Unfortunately, no, sorry.
The closest we have is being able to generate a third party thumbnail for a file. Your app can decide how the file will appear in the Google Drive thumbnail view by uploading the necessary image(s).
The video here explains it: http://www.youtube.com/watch?v=jG5-9zlaPL8