107 lines
3.4 KiB
Go
107 lines
3.4 KiB
Go
package handlers
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import (
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"net/http"
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"strings"
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"github.com/authorizerdev/authorizer/server/constants"
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"github.com/authorizerdev/authorizer/server/envstore"
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"github.com/authorizerdev/authorizer/server/oauth"
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"github.com/authorizerdev/authorizer/server/sessionstore"
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"github.com/authorizerdev/authorizer/server/utils"
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"github.com/gin-gonic/gin"
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)
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// OAuthLoginHandler set host in the oauth state that is useful for redirecting to oauth_callback
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func OAuthLoginHandler() gin.HandlerFunc {
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return func(c *gin.Context) {
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hostname := utils.GetHost(c)
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redirectURI := strings.TrimSpace(c.Query("redirectURL"))
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roles := strings.TrimSpace(c.Query("roles"))
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state := strings.TrimSpace(c.Query("state"))
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scopeString := strings.TrimSpace(c.Query("scope"))
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if redirectURI == "" {
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c.JSON(400, gin.H{
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"error": "invalid redirect uri",
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})
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return
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}
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if state == "" {
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c.JSON(400, gin.H{
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"error": "invalid state",
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})
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return
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}
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var scope []string
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if scopeString == "" {
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scope = []string{"openid", "profile", "email"}
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} else {
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scope = strings.Split(scopeString, " ")
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}
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if roles != "" {
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// validate role
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rolesSplit := strings.Split(roles, ",")
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// use protected roles verification for admin login only.
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// though if not associated with user, it will be rejected from oauth_callback
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if !utils.IsValidRoles(append([]string{}, append(envstore.EnvStoreObj.GetSliceStoreEnvVariable(constants.EnvKeyRoles), envstore.EnvStoreObj.GetSliceStoreEnvVariable(constants.EnvKeyProtectedRoles)...)...), rolesSplit) {
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c.JSON(400, gin.H{
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"error": "invalid role",
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})
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return
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}
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} else {
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roles = strings.Join(envstore.EnvStoreObj.GetSliceStoreEnvVariable(constants.EnvKeyDefaultRoles), ",")
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}
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oauthStateString := state + "@" + redirectURI + "@" + roles + "@" + strings.Join(scope, ",")
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provider := c.Param("oauth_provider")
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isProviderConfigured := true
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switch provider {
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case constants.SignupMethodGoogle:
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if oauth.OAuthProviders.GoogleConfig == nil {
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isProviderConfigured = false
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break
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}
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sessionstore.SetState(oauthStateString, constants.SignupMethodGoogle)
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// during the init of OAuthProvider authorizer url might be empty
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oauth.OAuthProviders.GoogleConfig.RedirectURL = hostname + "/oauth_callback/google"
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url := oauth.OAuthProviders.GoogleConfig.AuthCodeURL(oauthStateString)
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c.Redirect(http.StatusTemporaryRedirect, url)
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case constants.SignupMethodGithub:
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if oauth.OAuthProviders.GithubConfig == nil {
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isProviderConfigured = false
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break
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}
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sessionstore.SetState(oauthStateString, constants.SignupMethodGithub)
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oauth.OAuthProviders.GithubConfig.RedirectURL = hostname + "/oauth_callback/github"
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url := oauth.OAuthProviders.GithubConfig.AuthCodeURL(oauthStateString)
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c.Redirect(http.StatusTemporaryRedirect, url)
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case constants.SignupMethodFacebook:
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if oauth.OAuthProviders.FacebookConfig == nil {
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isProviderConfigured = false
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break
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}
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sessionstore.SetState(oauthStateString, constants.SignupMethodFacebook)
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oauth.OAuthProviders.FacebookConfig.RedirectURL = hostname + "/oauth_callback/facebook"
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url := oauth.OAuthProviders.FacebookConfig.AuthCodeURL(oauthStateString)
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c.Redirect(http.StatusTemporaryRedirect, url)
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default:
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c.JSON(422, gin.H{
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"message": "Invalid oauth provider",
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})
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}
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if !isProviderConfigured {
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c.JSON(422, gin.H{
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"message": provider + " not configured",
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})
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}
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}
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}
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