mirror of https://github.com/status-im/codimd.git
84 lines
3.2 KiB
Markdown
84 lines
3.2 KiB
Markdown
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Authentication guide - SAML
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===
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The basic procedure is the same as the case of OneLogin which is mentioned in [OneLogin-Guide](./saml-onelogin.md). If you want to match your IdP, you can use more configurations as below.
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* If your IdP accepts metadata XML of the service provider to ease configuraion, use this url to download metadata XML.
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* {{your-serverurl}}/auth/saml/metadata
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* _Note: If not accessable from IdP, download to local once and upload to IdP._
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* Change the value of `issuer`, `identifierFormat` to match your IdP.
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* `issuer`: A unique id to identify the application to the IdP, which is the base URL of your HackMD as default
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* `identifierFormat`: A format of unique id to identify the user of IdP, which is the format based on email address as default. It is recommend that you use as below.
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* urn:oasis:names:tc:SAML:1.1:nameid-format:emailAddress (default)
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* urn:oasis:names:tc:SAML:1.1:nameid-format:unspecified
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* config.json:
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````javascript
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{
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"production": {
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"saml": {
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/* omitted */
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"issuer": "myhackmd"
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"identifierFormat": "urn:oasis:names:tc:SAML:1.1:nameid-format:unspecified"
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}
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}
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}
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````
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* environment variables
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````
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HMD_SAML_ISSUER=myhackmd
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HMD_SAML_IDENTIFIERFORMAT=urn:oasis:names:tc:SAML:1.1:nameid-format:unspecified
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````
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* Change mapping of attribute names to customize the displaying user name and email address to match your IdP.
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* `attribute`: A dictionary to map attribute names
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* `attribute.id`: A primary key of user table for your HackMD
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* `attribute.username`: Attribute name of displaying user name on HackMD
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* `attribute.email`: Attribute name of email address, which will be also used for Gravatar
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* _Note: Default value of all attributes is NameID of SAML response, which is email address if `identifierFormat` is default._
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* config.json:
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````javascript
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{
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"production": {
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"saml": {
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/* omitted */
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"attribute": {
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"id": "sAMAccountName",
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"username": "displayName",
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"email": "mail"
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}
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}
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}
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}
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````
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* environment variables
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````
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HMD_SAML_ATTRIBUTE_ID=sAMAccountName
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HMD_SAML_ATTRIBUTE_USERNAME=nickName
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HMD_SAML_ATTRIBUTE_EMAIL=mail
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````
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* If you want to controll permission by group membership, add group attribute name and required group (allowed) or external group (not allowed).
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* `groupAttribute`: An attribute name of group membership
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* `requiredGroups`: Group names array for allowed access to HackMD. Use vertical bar to separate for environment variables.
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* `externalGroups`: Group names array for not allowed access to HackMD. Use vertical bar to separate for environment variables.
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* _Note: Evaluates `externalGroups` first_
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* config.json:
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````javascript
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{
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"production": {
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"saml": {
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/* omitted */
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"groupAttribute": "memberOf",
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"requiredGroups": [ "hackmd-users", "board-members" ],
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"externalGroups": [ "temporary-staff" ]
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}
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}
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}
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````
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* environment variables
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````
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HMD_SAML_GROUPATTRIBUTE=memberOf
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HMD_SAML_REQUIREDGROUPS=hackmd-users|board-members
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HMD_SAML_EXTERNALGROUPS=temporary-staff
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````
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