gitea/routers/web/user/setting/keys.go
Gusted b76970f2e4
Fix key signature error page (#22229)
- When the GPG key contains an error, such as an invalid signature or an
email address that does not match the user.A page will be shown that
says you must provide a signature for the token.
- This page had two errors: one had the wrong translation key and the
other tried to use an undefined variable
[`.PaddedKeyID`](e81ccc406b/models/asymkey/gpg_key.go (L65-L72)),
which is a function implemented on the `GPGKey` struct, given that we
don't have that, we use
[`KeyID`](e81ccc406b/routers/web/user/setting/keys.go (L102))
which is [the fingerprint of the
publickey](https://pkg.go.dev/golang.org/x/crypto/openpgp/packet#PublicKey.KeyIdString)
and is a valid way for opengpg to refer to a key.

Before:

![image](https://user-images.githubusercontent.com/25481501/209404800-0e7c39ce-861a-455b-b234-62498d750aa8.png)

After:

![image](https://user-images.githubusercontent.com/25481501/209404821-c70f81c6-fd10-4197-ab58-61cb9fc873d8.png)

Co-authored-by: zeripath <art27@cantab.net>
2022-12-30 12:53:05 +08:00

298 lines
10 KiB
Go

// Copyright 2014 The Gogs Authors. All rights reserved.
// Copyright 2018 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package setting
import (
"net/http"
asymkey_model "code.gitea.io/gitea/models/asymkey"
"code.gitea.io/gitea/models/db"
"code.gitea.io/gitea/modules/base"
"code.gitea.io/gitea/modules/context"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/web"
asymkey_service "code.gitea.io/gitea/services/asymkey"
"code.gitea.io/gitea/services/forms"
)
const (
tplSettingsKeys base.TplName = "user/settings/keys"
)
// Keys render user's SSH/GPG public keys page
func Keys(ctx *context.Context) {
ctx.Data["Title"] = ctx.Tr("settings")
ctx.Data["PageIsSettingsKeys"] = true
ctx.Data["DisableSSH"] = setting.SSH.Disabled
ctx.Data["BuiltinSSH"] = setting.SSH.StartBuiltinServer
ctx.Data["AllowPrincipals"] = setting.SSH.AuthorizedPrincipalsEnabled
loadKeysData(ctx)
ctx.HTML(http.StatusOK, tplSettingsKeys)
}
// KeysPost response for change user's SSH/GPG keys
func KeysPost(ctx *context.Context) {
form := web.GetForm(ctx).(*forms.AddKeyForm)
ctx.Data["Title"] = ctx.Tr("settings")
ctx.Data["PageIsSettingsKeys"] = true
ctx.Data["DisableSSH"] = setting.SSH.Disabled
ctx.Data["BuiltinSSH"] = setting.SSH.StartBuiltinServer
ctx.Data["AllowPrincipals"] = setting.SSH.AuthorizedPrincipalsEnabled
if ctx.HasError() {
loadKeysData(ctx)
ctx.HTML(http.StatusOK, tplSettingsKeys)
return
}
switch form.Type {
case "principal":
content, err := asymkey_model.CheckPrincipalKeyString(ctx.Doer, form.Content)
if err != nil {
if db.IsErrSSHDisabled(err) {
ctx.Flash.Info(ctx.Tr("settings.ssh_disabled"))
} else {
ctx.Flash.Error(ctx.Tr("form.invalid_ssh_principal", err.Error()))
}
ctx.Redirect(setting.AppSubURL + "/user/settings/keys")
return
}
if _, err = asymkey_model.AddPrincipalKey(ctx.Doer.ID, content, 0); err != nil {
ctx.Data["HasPrincipalError"] = true
switch {
case asymkey_model.IsErrKeyAlreadyExist(err), asymkey_model.IsErrKeyNameAlreadyUsed(err):
loadKeysData(ctx)
ctx.Data["Err_Content"] = true
ctx.RenderWithErr(ctx.Tr("settings.ssh_principal_been_used"), tplSettingsKeys, &form)
default:
ctx.ServerError("AddPrincipalKey", err)
}
return
}
ctx.Flash.Success(ctx.Tr("settings.add_principal_success", form.Content))
ctx.Redirect(setting.AppSubURL + "/user/settings/keys")
case "gpg":
token := asymkey_model.VerificationToken(ctx.Doer, 1)
lastToken := asymkey_model.VerificationToken(ctx.Doer, 0)
keys, err := asymkey_model.AddGPGKey(ctx.Doer.ID, form.Content, token, form.Signature)
if err != nil && asymkey_model.IsErrGPGInvalidTokenSignature(err) {
keys, err = asymkey_model.AddGPGKey(ctx.Doer.ID, form.Content, lastToken, form.Signature)
}
if err != nil {
ctx.Data["HasGPGError"] = true
switch {
case asymkey_model.IsErrGPGKeyParsing(err):
ctx.Flash.Error(ctx.Tr("form.invalid_gpg_key", err.Error()))
ctx.Redirect(setting.AppSubURL + "/user/settings/keys")
case asymkey_model.IsErrGPGKeyIDAlreadyUsed(err):
loadKeysData(ctx)
ctx.Data["Err_Content"] = true
ctx.RenderWithErr(ctx.Tr("settings.gpg_key_id_used"), tplSettingsKeys, &form)
case asymkey_model.IsErrGPGInvalidTokenSignature(err):
loadKeysData(ctx)
ctx.Data["Err_Content"] = true
ctx.Data["Err_Signature"] = true
keyID := err.(asymkey_model.ErrGPGInvalidTokenSignature).ID
ctx.Data["KeyID"] = keyID
ctx.Data["PaddedKeyID"] = asymkey_model.PaddedKeyID(keyID)
ctx.RenderWithErr(ctx.Tr("settings.gpg_invalid_token_signature"), tplSettingsKeys, &form)
case asymkey_model.IsErrGPGNoEmailFound(err):
loadKeysData(ctx)
ctx.Data["Err_Content"] = true
ctx.Data["Err_Signature"] = true
keyID := err.(asymkey_model.ErrGPGNoEmailFound).ID
ctx.Data["KeyID"] = keyID
ctx.Data["PaddedKeyID"] = asymkey_model.PaddedKeyID(keyID)
ctx.RenderWithErr(ctx.Tr("settings.gpg_no_key_email_found"), tplSettingsKeys, &form)
default:
ctx.ServerError("AddPublicKey", err)
}
return
}
keyIDs := ""
for _, key := range keys {
keyIDs += key.KeyID
keyIDs += ", "
}
if len(keyIDs) > 0 {
keyIDs = keyIDs[:len(keyIDs)-2]
}
ctx.Flash.Success(ctx.Tr("settings.add_gpg_key_success", keyIDs))
ctx.Redirect(setting.AppSubURL + "/user/settings/keys")
case "verify_gpg":
token := asymkey_model.VerificationToken(ctx.Doer, 1)
lastToken := asymkey_model.VerificationToken(ctx.Doer, 0)
keyID, err := asymkey_model.VerifyGPGKey(ctx.Doer.ID, form.KeyID, token, form.Signature)
if err != nil && asymkey_model.IsErrGPGInvalidTokenSignature(err) {
keyID, err = asymkey_model.VerifyGPGKey(ctx.Doer.ID, form.KeyID, lastToken, form.Signature)
}
if err != nil {
ctx.Data["HasGPGVerifyError"] = true
switch {
case asymkey_model.IsErrGPGInvalidTokenSignature(err):
loadKeysData(ctx)
ctx.Data["VerifyingID"] = form.KeyID
ctx.Data["Err_Signature"] = true
keyID := err.(asymkey_model.ErrGPGInvalidTokenSignature).ID
ctx.Data["KeyID"] = keyID
ctx.Data["PaddedKeyID"] = asymkey_model.PaddedKeyID(keyID)
ctx.RenderWithErr(ctx.Tr("settings.gpg_invalid_token_signature"), tplSettingsKeys, &form)
default:
ctx.ServerError("VerifyGPG", err)
}
}
ctx.Flash.Success(ctx.Tr("settings.verify_gpg_key_success", keyID))
ctx.Redirect(setting.AppSubURL + "/user/settings/keys")
case "ssh":
content, err := asymkey_model.CheckPublicKeyString(form.Content)
if err != nil {
if db.IsErrSSHDisabled(err) {
ctx.Flash.Info(ctx.Tr("settings.ssh_disabled"))
} else if asymkey_model.IsErrKeyUnableVerify(err) {
ctx.Flash.Info(ctx.Tr("form.unable_verify_ssh_key"))
} else {
ctx.Flash.Error(ctx.Tr("form.invalid_ssh_key", err.Error()))
}
ctx.Redirect(setting.AppSubURL + "/user/settings/keys")
return
}
if _, err = asymkey_model.AddPublicKey(ctx.Doer.ID, form.Title, content, 0); err != nil {
ctx.Data["HasSSHError"] = true
switch {
case asymkey_model.IsErrKeyAlreadyExist(err):
loadKeysData(ctx)
ctx.Data["Err_Content"] = true
ctx.RenderWithErr(ctx.Tr("settings.ssh_key_been_used"), tplSettingsKeys, &form)
case asymkey_model.IsErrKeyNameAlreadyUsed(err):
loadKeysData(ctx)
ctx.Data["Err_Title"] = true
ctx.RenderWithErr(ctx.Tr("settings.ssh_key_name_used"), tplSettingsKeys, &form)
case asymkey_model.IsErrKeyUnableVerify(err):
ctx.Flash.Info(ctx.Tr("form.unable_verify_ssh_key"))
ctx.Redirect(setting.AppSubURL + "/user/settings/keys")
default:
ctx.ServerError("AddPublicKey", err)
}
return
}
ctx.Flash.Success(ctx.Tr("settings.add_key_success", form.Title))
ctx.Redirect(setting.AppSubURL + "/user/settings/keys")
case "verify_ssh":
token := asymkey_model.VerificationToken(ctx.Doer, 1)
lastToken := asymkey_model.VerificationToken(ctx.Doer, 0)
fingerprint, err := asymkey_model.VerifySSHKey(ctx.Doer.ID, form.Fingerprint, token, form.Signature)
if err != nil && asymkey_model.IsErrSSHInvalidTokenSignature(err) {
fingerprint, err = asymkey_model.VerifySSHKey(ctx.Doer.ID, form.Fingerprint, lastToken, form.Signature)
}
if err != nil {
ctx.Data["HasSSHVerifyError"] = true
switch {
case asymkey_model.IsErrSSHInvalidTokenSignature(err):
loadKeysData(ctx)
ctx.Data["Err_Signature"] = true
ctx.Data["Fingerprint"] = err.(asymkey_model.ErrSSHInvalidTokenSignature).Fingerprint
ctx.RenderWithErr(ctx.Tr("settings.ssh_invalid_token_signature"), tplSettingsKeys, &form)
default:
ctx.ServerError("VerifySSH", err)
}
}
ctx.Flash.Success(ctx.Tr("settings.verify_ssh_key_success", fingerprint))
ctx.Redirect(setting.AppSubURL + "/user/settings/keys")
default:
ctx.Flash.Warning("Function not implemented")
ctx.Redirect(setting.AppSubURL + "/user/settings/keys")
}
}
// DeleteKey response for delete user's SSH/GPG key
func DeleteKey(ctx *context.Context) {
switch ctx.FormString("type") {
case "gpg":
if err := asymkey_model.DeleteGPGKey(ctx.Doer, ctx.FormInt64("id")); err != nil {
ctx.Flash.Error("DeleteGPGKey: " + err.Error())
} else {
ctx.Flash.Success(ctx.Tr("settings.gpg_key_deletion_success"))
}
case "ssh":
keyID := ctx.FormInt64("id")
external, err := asymkey_model.PublicKeyIsExternallyManaged(keyID)
if err != nil {
ctx.ServerError("sshKeysExternalManaged", err)
return
}
if external {
ctx.Flash.Error(ctx.Tr("settings.ssh_externally_managed"))
ctx.Redirect(setting.AppSubURL + "/user/settings/keys")
return
}
if err := asymkey_service.DeletePublicKey(ctx.Doer, keyID); err != nil {
ctx.Flash.Error("DeletePublicKey: " + err.Error())
} else {
ctx.Flash.Success(ctx.Tr("settings.ssh_key_deletion_success"))
}
case "principal":
if err := asymkey_service.DeletePublicKey(ctx.Doer, ctx.FormInt64("id")); err != nil {
ctx.Flash.Error("DeletePublicKey: " + err.Error())
} else {
ctx.Flash.Success(ctx.Tr("settings.ssh_principal_deletion_success"))
}
default:
ctx.Flash.Warning("Function not implemented")
ctx.Redirect(setting.AppSubURL + "/user/settings/keys")
}
ctx.JSON(http.StatusOK, map[string]interface{}{
"redirect": setting.AppSubURL + "/user/settings/keys",
})
}
func loadKeysData(ctx *context.Context) {
keys, err := asymkey_model.ListPublicKeys(ctx.Doer.ID, db.ListOptions{})
if err != nil {
ctx.ServerError("ListPublicKeys", err)
return
}
ctx.Data["Keys"] = keys
externalKeys, err := asymkey_model.PublicKeysAreExternallyManaged(keys)
if err != nil {
ctx.ServerError("ListPublicKeys", err)
return
}
ctx.Data["ExternalKeys"] = externalKeys
gpgkeys, err := asymkey_model.ListGPGKeys(ctx, ctx.Doer.ID, db.ListOptions{})
if err != nil {
ctx.ServerError("ListGPGKeys", err)
return
}
ctx.Data["GPGKeys"] = gpgkeys
tokenToSign := asymkey_model.VerificationToken(ctx.Doer, 1)
// generate a new aes cipher using the csrfToken
ctx.Data["TokenToSign"] = tokenToSign
principals, err := asymkey_model.ListPrincipalKeys(ctx.Doer.ID, db.ListOptions{})
if err != nil {
ctx.ServerError("ListPrincipalKeys", err)
return
}
ctx.Data["Principals"] = principals
ctx.Data["VerifyingID"] = ctx.FormString("verify_gpg")
ctx.Data["VerifyingFingerprint"] = ctx.FormString("verify_ssh")
}