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May 21, 2019 18:13
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This example route for validation.
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| async function loginUser(userObject, callback) { | |
| // some validation for the request body or data supplied to function | |
| const { error, value } = Joi.validate(userObject, userObjectSchema); | |
| if (error) { | |
| callback(error); | |
| } else { | |
| try { | |
| // check for validate of the access torken the code for it is given in pervious example | |
| const isTokenValid = await fbHelper.validateToken( | |
| userObject.access_token, | |
| userObject.ffid | |
| ); | |
| if (isTokenValid) { | |
| // find the user in db | |
| const userDetials = await User.findOne({ ffid: userObject.ffid }); | |
| // if yes then just issue a token for it | |
| if (userDetials) { | |
| try { | |
| // code of this function is given in next example | |
| const token = await jwtHelper.sign({ | |
| userId: userDetials._id | |
| }); | |
| callback(null, token); | |
| // update new access token | |
| User.update( | |
| { ffid: passwordAndMail.ffid }, | |
| { access_token: passwordAndMail.access_token } | |
| ); | |
| } catch (errorInSign) { | |
| callback(errorInSign); | |
| } | |
| } else { | |
| // if not create new using your user model | |
| const newUser = new User(userObject); | |
| await newUser.save(); | |
| // issue him a new token | |
| const token = await jwtHelper.sign({ userId: newUser._id }); | |
| callback(null, token); | |
| } | |
| } else { | |
| callback("Invalid Facebook Token"); | |
| } | |
| } catch (errorInSave) { | |
| callback(errorInSave); | |
| } | |
| } | |
| } |
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