94 lines
2.9 KiB
Go
94 lines
2.9 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/enum"
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"github.com/authorizerdev/authorizer/server/oauth"
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"github.com/authorizerdev/authorizer/server/session"
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"github.com/authorizerdev/authorizer/server/utils"
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"github.com/gin-gonic/gin"
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"github.com/google/uuid"
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)
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// set host in the oauth state that is useful for redirecting
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func OAuthLoginHandler() gin.HandlerFunc {
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return func(c *gin.Context) {
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// TODO validate redirect URL
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redirectURL := c.Query("redirectURL")
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roles := c.Query("roles")
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if redirectURL == "" {
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c.JSON(400, gin.H{
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"error": "invalid redirect url",
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})
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return
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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(constants.EnvData.ROLES, constants.EnvData.PROTECTED_ROLES...)...), 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(constants.EnvData.DEFAULT_ROLES, ",")
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}
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uuid := uuid.New()
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oauthStateString := uuid.String() + "___" + redirectURL + "___" + roles
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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 enum.Google.String():
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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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session.SetSocailLoginState(oauthStateString, enum.Google.String())
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// during the init of OAuthProvider authorizer url might be empty
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oauth.OAuthProviders.GoogleConfig.RedirectURL = constants.EnvData.AUTHORIZER_URL + "/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 enum.Github.String():
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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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session.SetSocailLoginState(oauthStateString, enum.Github.String())
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oauth.OAuthProviders.GithubConfig.RedirectURL = constants.EnvData.AUTHORIZER_URL + "/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 enum.Facebook.String():
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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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session.SetSocailLoginState(oauthStateString, enum.Facebook.String())
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oauth.OAuthProviders.FacebookConfig.RedirectURL = constants.EnvData.AUTHORIZER_URL + "/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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