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Merge pull request #881 from supertokens/fix/migration-page
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Add missing user migration data
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bcbogdan authored Jan 2, 2025
2 parents 5bb30b4 + ab2356c commit 21acf23
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148 changes: 148 additions & 0 deletions v3/docs/migration/account-creation/user-creation.mdx
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Expand Up @@ -5,8 +5,133 @@ hide_title: true
sidebar_position: 1
---

import { SelfHostingTabs } from "/src/components/tabs"

# User Creation

## Email Password Migration

:::important
If you do not have access to your user's password hashes, you can use our [guide for migrating them dynamically during login](./ep-migration-without-password-hash).
:::

SuperTokens allows you to import users with password hashes generated with `BCrypt`, `Argon2` and `Firebase SCrypt` with our import user API.
You can find the API spec [here](https://app.swaggerhub.com/apis/supertokens/CDI/2.16.0#/EmailPassword%20Recipe/userImport).

### Migrating users With Argon2 or BCrypt Password hashes

For users with `BCrypt` or `Argon2` password hashes you can use the following curl command to import your user.

```bash
curl --location --request POST '^{coreInfo.uri}/recipe/user/passwordhash/import' \
--header 'api-key: ^{coreInfo.key}' \
--header 'Content-Type: application/json; charset=utf-8' \
--data-raw '{
"email": "[email protected]",
"passwordHash": "$argon2d$v=19$m=12,t=3,p=1$NWd0eGp4ZW91b3IwMDAwMA$57jcfXF19MyiUXSjkVBpEQ"
}'
```

:::important
SuperTokens accepts `BCrypt` and `Argon2` hashes in standard format. When exporting password hashes from authentication providers the structure might be changed. For example, Auth0 prepends an identifier to the exported password hashes which needs to removed before importing into SuperTokens.

Sample password hashes for BCrypt and Argon2 in standard format:

- BCrypt: `$2a$10$GzEm3vKoAqnJCTWesRARCe/ovjt/07qjvcH9jbLUg44Fn77gMZkmm`
- Argon2: `$argon2id$v=19$m=16,t=2,p=1$VG1Oa1lMbzZLbzk5azQ2Qg$kjcNNtZ/b0t/8HgXUiQ76A`
:::


### Migrating users with Firebase SCrypt Password hashes

Importing users from Firebases requires an update to your supertokens core config and formatting the input password hash.

#### Step 1: Retrive your Firebase password hashing parameters from your dashboard.

<img src="/img/migration/firebase_password_hashing_params.png" alt="Firebase password hashing details modal" />

#### Step 2: Update the SuperTokens core to use the `base64_signer_key`

- ** For Managed Service **


- Edit the core configuration in the SuperTokens Managed Service Dashboard.
- Set the `firebase_password_hashing_signer_key` field in the config to the `base64_signer_key` retrieved from your firebase hashing parameters.



<SelfHostingTabs>

<SelfHostingTabs.TabItem value="with-docker">

```bash
docker run \
-p 3567:3567 \
// highlight-next-line
-e FIREBASE_PASSWORD_HASHING_SIGNER_KEY="gRhC3eDeQOdyEn4bMd9c6kxguWVmcIVq/HbJKnCXdWscZx0l2WbCJ1wbg==" \
-d registry.supertokens.io/supertokens/supertokens-<db_name>
```

</SelfHostingTabs.TabItem>
<SelfHostingTabs.TabItem value="without-docker">

```yaml
# Add your base64_signer_key to the following in the config.yaml file.
# The file path can be found by running the "supertokens --help" command

firebase_password_hashing_signer_key: "gRhC3eDeQOdyEn4bMd9c6kxguWVmcIVq/HbJKnCXdWscZx0l2WbCJ1wbg=="
```
</SelfHostingTabs.TabItem>
</SelfHostingTabs>
#### Step 3: SuperTokens requires firebase password hashes to be in a specific format to be parsed.
For example:
Your exported firebase user has the following credentials:
```json
{
"users": [
{
"localId": "userId",
"email": "[email protected]"
"passwordHash": "9Y8ICWcqbzmI42DxV1jpyEjbrJPG8EQ6nI6oC32JYz+/dd7aEjI/R7jG9P5kYh8v9gyqFKaXMDzMg7eLCypbOA==",
"salt": "/cj0jC1br5o4+w==",
}
]
}
```

The memory cost, rounds and salt separator retrived from the password hashing config are:
```json
{
mem_cost: 14,
rounds: 8,
base64_salt_separator: "Bw=="
}
```

The password hash would be the following: `$f_scrypt$9Y8ICWcqbzmI42DxV1jpyEjbrJPG8EQ6nI6oC32JYz+/dd7aEjI/R7jG9P5kYh8v9gyqFKaXMDzMg7eLCypbOA==$/cj0jC1br5o4+w==$m=14$r=8$s=Bw==`

The example password hash is in the following format `$f_scrypt$<passwordHash>$<salt>$m=<mem_cost>$r=<rounds>$s=<base64_salt_separator>`

#### Step 4: Run the following `curl` command to import the user

```bash
curl --location --request POST '^{coreInfo.uri}/recipe/user/passwordhash/import' \
--header 'Content-Type: application/json; charset=utf-8' \
--header 'api-key: ^{coreInfo.key}' \
--data-raw '{
"email": "[email protected]",
"passwordHash": "$f_scrypt$9Y8ICWcqbzmI42DxV1jpyEjbrJPG8EQ6nI6oC32JYz+/dd7aEjI/R7jG9P5kYh8v9gyqFKaXMDzMg7eLCypbOA==$/cj0jC1br5o4+w==$m=14$r=8$s=Bw==",
"hashingAlgorithm": "firebase_scrypt"
}'
```


## Passwordless Migration

To migrate a Passwordless user from your previous authentication provider to SuperTokens, you will first need to generate a code for the user and then call the consume code API.
Expand Down Expand Up @@ -77,3 +202,26 @@ curl --location --request PUT '^{coreInfo.uri}/recipe/user' \
"phoneNumber": "+14155552671"
}'
```


## ThirdParty Migration

To migrate users with social accounts we can simply call the SuperTokens Core's `signInUp` API with the provider Id and the user's third party userId.

For example:

If we were importing a user with Google as their provider with their third party userId being `106347997792363870000`, we can run the following curl command to import the user.

```bash
curl --location --request POST '^{coreInfo.uri}/recipe/signinup' \
--header 'api-key: ^{coreInfo.key}' \
--header 'Content-Type: application/json; charset=utf-8' \
--data-raw '{
"thirdPartyId": "google",
"thirdPartyUserId": "106347997792363870000",
"email": {
"id": "[email protected]",
"isVerified": true
}
}'
```
10 changes: 9 additions & 1 deletion v3/docusaurus.config.ts
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Expand Up @@ -105,7 +105,15 @@ const config: Config = {
},
prism: {
theme: prismThemes.vsDark,
additionalLanguages: ["kotlin", "java", "swift", "dart", "csharp", "php"],
additionalLanguages: [
"kotlin",
"java",
"swift",
"dart",
"csharp",
"php",
"bash",
],
},
} satisfies Preset.ThemeConfig,
plugins: [
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