Files
probo/pkg/server/auth/saml_check_sso_handler.go
Bryan Frimin 59aa332ab5 Move to vanity import url
Signed-off-by: Bryan Frimin <bryan@getprobo.com>
2025-10-31 17:01:52 +01:00

97 lines
3.1 KiB
Go

// Copyright (c) 2025 Probo Inc <hello@getprobo.com>.
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
// PERFORMANCE OF THIS SOFTWARE.
package auth
import (
"encoding/json"
"fmt"
"net/http"
"net/mail"
authsvc "go.probo.inc/probo/pkg/auth"
"go.gearno.de/kit/httpserver"
"go.gearno.de/kit/log"
)
type (
CheckSSORequest struct {
Email string `json:"email"`
}
CheckSSOResponse struct {
SSOAvailable bool `json:"ssoAvailable"`
SAMLConfigID *string `json:"samlConfigId,omitempty"`
OrganizationID *string `json:"organizationId,omitempty"`
EnforcementPolicy *string `json:"enforcementPolicy,omitempty"`
}
)
func SAMLCheckSSOHandler(authSvc *authsvc.Service, logger *log.Logger) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
var req CheckSSORequest
if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
httpserver.RenderError(w, http.StatusBadRequest, fmt.Errorf("cannot decode body: %w", err))
return
}
if req.Email == "" {
httpserver.RenderError(w, http.StatusBadRequest, fmt.Errorf("email is required"))
return
}
if _, err := mail.ParseAddress(req.Email); err != nil {
httpserver.RenderError(w, http.StatusBadRequest, fmt.Errorf("invalid email format"))
return
}
configs, err := authSvc.CheckSSOAvailabilityByEmail(ctx, req.Email)
if err != nil {
logger.ErrorCtx(ctx, "cannot check SSO availability", log.Error(err))
httpserver.RenderError(w, http.StatusInternalServerError, fmt.Errorf("cannot check SSO availability"))
return
}
// No SAML configs found for this domain
if len(configs) == 0 {
httpserver.RenderJSON(w, http.StatusOK, CheckSSOResponse{
SSOAvailable: false,
})
return
}
// Multiple SAML configs found - ambiguous, user must use organization-specific SSO URL
if len(configs) > 1 {
logger.WarnCtx(ctx, "multiple SAML configurations found for domain", log.Int("count", len(configs)))
httpserver.RenderError(w, http.StatusConflict, fmt.Errorf("multiple SSO configurations found for this domain. Please use your organization-specific SSO login URL"))
return
}
// Single SAML config found - return it
config := configs[0]
configIDStr := config.ID.String()
orgIDStr := config.OrganizationID.String()
enforcementPolicy := string(config.EnforcementPolicy)
httpserver.RenderJSON(w, http.StatusOK, CheckSSOResponse{
SSOAvailable: true,
SAMLConfigID: &configIDStr,
OrganizationID: &orgIDStr,
EnforcementPolicy: &enforcementPolicy,
})
}
}