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Update OAuth2-Front-Approach.md

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Ste Vaidis 2024-12-16 10:58:34 +02:00
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OAuth2-Front-Approach.md
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@ -6,6 +6,16 @@ A way for the `user` to tell `google` to give an access token to `xorismesiti.gr
### OAuth2 Frontend/Backend Flow: ### OAuth2 Frontend/Backend Flow:
| When | Why | How |
|-------|--------------------------|--------------------------------------------------|
| 1 | Get Code | Frontend ⇢ Google ⇢ Frontend |
| 2 | Exchange Code with Token | Frontend ⇢ Backend ⇢ Google ⇢ Backend ⇢ Frontend |
| 4 | Use Token | Frontend ⇢ Google ⇢ Frontend |
<br><br><br>
### OAuth2 Frontend/Backend Flow:
1. Frontend **Redirect** the user to Google's OAuth authorization endpoint `accounts.google.com/o/oauth2` 1. Frontend **Redirect** the user to Google's OAuth authorization endpoint `accounts.google.com/o/oauth2`
2. User **Login in** to Google and grant permissions 2. User **Login in** to Google and grant permissions
3. Google **Redirect** the user back to `xorismesiti.gr/callback` including the authorization `code` 3. Google **Redirect** the user back to `xorismesiti.gr/callback` including the authorization `code`