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It's way easier to add a note to the guides than to redo all the images, etc. We have more important things to spend our time on, but if someone wants to redo them, you are very welcome! Signed-off-by: Sheogorath <sheogorath@shivering-isles.com>
85 lines
3.4 KiB
Markdown
85 lines
3.4 KiB
Markdown
Authentication guide - SAML
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===
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***Note:** This guide was written before the renaming. Just replace `HackMD` with `CodiMD` in your mind :smile: thanks!*
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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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