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/*
GoToSocial
Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package webfinger
import (
"fmt"
"net/http"
"strings"
"github.com/gin-gonic/gin"
)
// WebfingerGETRequest handles requests to, for example, https://example.org/.well-known/webfinger?resource=acct:some_user@example.org
func (m *Module) WebfingerGETRequest(c *gin.Context) {
q, set := c.GetQuery("resource")
if !set || q == "" {
c.JSON(http.StatusBadRequest, gin.H{"error": "no 'resource' in request query"})
return
}
withAcct := strings.Split(q, "acct:")
if len(withAcct) != 2 {
c.JSON(http.StatusBadRequest, gin.H{"error": "bad request"})
return
}
usernameDomain := strings.Split(withAcct[1], "@")
if len(usernameDomain) != 2 {
c.JSON(http.StatusBadRequest, gin.H{"error": "bad request"})
return
}
username := strings.ToLower(usernameDomain[0])
domain := strings.ToLower(usernameDomain[1])
if username == "" || domain == "" {
c.JSON(http.StatusBadRequest, gin.H{"error": "bad request"})
return
}
if domain != m.config.Host {
c.JSON(http.StatusBadRequest, gin.H{"error": fmt.Sprintf("domain %s does not belong to this instance", domain)})
return
}
resp, err := m.processor.GetWebfingerAccount(username, c.Request)
if err != nil {
c.JSON(err.Code(), gin.H{"error": err.Safe()})
return
}
c.JSON(http.StatusOK, resp)
}
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