AuthorizedKeysCommand should not query db directly (#9371)

* AuthorizedKeysCommand should not query db directly

* Update routers/private/internal.go

* Fix import order

cmd/keys.go

 	"fmt"
 	"strings"
 
-	"code.gitea.io/gitea/models"
+	"code.gitea.io/gitea/modules/private"
 
 	"github.com/urfave/cli"
 )
 		return errors.New("No key type and content provided")
 	}
 
-	if err := initDBDisableConsole(true); err != nil {
-		return err
-	}
+	setup("keys.log")
 
-	publicKey, err := models.SearchPublicKeyByContent(content)
+	authorizedString, err := private.AuthorizedPublicKeyByContent(content)
 	if err != nil {
 		return err
 	}
-	fmt.Println(publicKey.AuthorizedString())
+	fmt.Println(strings.TrimSpace(authorizedString))
 	return nil
 }

docs/content/doc/usage/command-line.en-us.md

 NB: opensshd requires the gitea program to be owned by root and not
 writable by group or others. The program must be specified by an absolute
 path.
+NB: Gitea must be running for this command to succeed.
 
 #### migrate
 Migrates the database. This command can be used to run other commands before starting the server for the first time.  

integrations/cmd_keys_test.go

 	"bytes"
 	"flag"
 	"io"
+	"net/url"
 	"os"
 	"testing"
 
 )
 
 func Test_CmdKeys(t *testing.T) {
-	defer prepareTestEnv(t)()
+	onGiteaRun(t, func(*testing.T, *url.URL) {
+		tests := []struct {
+			name           string
+			args           []string
+			wantErr        bool
+			expectedOutput string
+		}{
+			{"test_empty_1", []string{"keys", "--username=git", "--type=test", "--content=test"}, true, ""},
+			{"test_empty_2", []string{"keys", "-e", "git", "-u", "git", "-t", "test", "-k", "test"}, true, ""},
+			{"with_key",
+				[]string{"keys", "-e", "git", "-u", "git", "-t", "ssh-rsa", "-k", "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"},
+				false,
+				"# gitea public key\ncommand=\"" + setting.AppPath + " --config='" + setting.CustomConf + "' serv key-1\",no-port-forwarding,no-X11-forwarding,no-agent-forwarding,no-pty ssh-rsa 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 user2@localhost\n",
+			},
+			{"invalid", []string{"keys", "--not-a-flag=git"}, true, "Incorrect Usage: flag provided but not defined: -not-a-flag\n\n"},
+		}
+		for _, tt := range tests {
+			t.Run(tt.name, func(t *testing.T) {
+				realStdout := os.Stdout //Backup Stdout
+				r, w, _ := os.Pipe()
+				os.Stdout = w
 
-	tests := []struct {
-		name           string
-		args           []string
-		wantErr        bool
-		expectedOutput string
-	}{
-		{"test_empty_1", []string{"keys", "--username=git", "--type=test", "--content=test"}, true, ""},
-		{"test_empty_2", []string{"keys", "-e", "git", "-u", "git", "-t", "test", "-k", "test"}, true, ""},
-		{"with_key",
-			[]string{"keys", "-e", "git", "-u", "git", "-t", "ssh-rsa", "-k", "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"},
-			false,
-			"# gitea public key\ncommand=\"" + setting.AppPath + " --config='" + setting.CustomConf + "' serv key-1\",no-port-forwarding,no-X11-forwarding,no-agent-forwarding,no-pty ssh-rsa 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 user2@localhost\n\n",
-		},
-		{"invalid", []string{"keys", "--not-a-flag=git"}, true, "Incorrect Usage: flag provided but not defined: -not-a-flag\n\n"},
-	}
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			realStdout := os.Stdout //Backup Stdout
-			r, w, _ := os.Pipe()
-			os.Stdout = w
-
-			set := flag.NewFlagSet("keys", 0)
-			_ = set.Parse(tt.args)
-			context := cli.NewContext(&cli.App{Writer: os.Stdout}, set, nil)
-			err := cmd.CmdKeys.Run(context)
-			if (err != nil) != tt.wantErr {
-				t.Errorf("CmdKeys.Run() error = %v, wantErr %v", err, tt.wantErr)
-			}
-			w.Close()
-			var buf bytes.Buffer
-			io.Copy(&buf, r)
-			commandOutput := buf.String()
-			if tt.expectedOutput != commandOutput {
-				t.Errorf("expectedOutput: %#v, commandOutput: %#v", tt.expectedOutput, commandOutput)
-			}
-			//Restore stdout
-			os.Stdout = realStdout
-		})
-	}
+				set := flag.NewFlagSet("keys", 0)
+				_ = set.Parse(tt.args)
+				context := cli.NewContext(&cli.App{Writer: os.Stdout}, set, nil)
+				err := cmd.CmdKeys.Run(context)
+				if (err != nil) != tt.wantErr {
+					t.Errorf("CmdKeys.Run() error = %v, wantErr %v", err, tt.wantErr)
+				}
+				w.Close()
+				var buf bytes.Buffer
+				io.Copy(&buf, r)
+				commandOutput := buf.String()
+				if tt.expectedOutput != commandOutput {
+					t.Errorf("expectedOutput: %#v, commandOutput: %#v", tt.expectedOutput, commandOutput)
+				}
+				//Restore stdout
+				os.Stdout = realStdout
+			})
+		}
+	})
 }

modules/private/key.go

 
 import (
 	"fmt"
+	"io/ioutil"
+	"net/http"
 
 	"code.gitea.io/gitea/modules/setting"
 )
 	}
 	return nil
 }
+
+// AuthorizedPublicKeyByContent searches content as prefix (leak e-mail part)
+// and returns public key found.
+func AuthorizedPublicKeyByContent(content string) (string, error) {
+	// Ask for running deliver hook and test pull request tasks.
+	reqURL := setting.LocalURL + fmt.Sprintf("api/internal/ssh/authorized_keys")
+	req := newInternalRequest(reqURL, "POST")
+	req.Param("content", content)
+	resp, err := req.Response()
+	if err != nil {
+		return "", err
+	}
+
+	defer resp.Body.Close()
+
+	// All 2XX status codes are accepted and others will return an error
+	if resp.StatusCode != http.StatusOK {
+		return "", fmt.Errorf("Failed to update public key: %s", decodeJSONError(resp).Err)
+	}
+	bs, err := ioutil.ReadAll(resp.Body)
+
+	return string(bs), err
+}

routers/private/internal.go

 // These APIs will be invoked by internal commands for example `gitea serv` and etc.
 func RegisterRoutes(m *macaron.Macaron) {
 	m.Group("/", func() {
+		m.Post("/ssh/authorized_keys", AuthorizedPublicKeyByContent)
 		m.Post("/ssh/:id/update/:repoid", UpdatePublicKeyInRepo)
 		m.Get("/hook/pre-receive/:owner/:repo", HookPreReceive)
 		m.Get("/hook/post-receive/:owner/:repo", HookPostReceive)

routers/private/key.go

 package private
 
 import (
+	"net/http"
+
 	"code.gitea.io/gitea/models"
 	"code.gitea.io/gitea/modules/timeutil"
 
 	keyID := ctx.ParamsInt64(":id")
 	repoID := ctx.ParamsInt64(":repoid")
 	if err := models.UpdatePublicKeyUpdated(keyID); err != nil {
-		ctx.JSON(500, map[string]interface{}{
+		ctx.JSON(http.StatusInternalServerError, map[string]interface{}{
 			"err": err.Error(),
 		})
 		return
 			ctx.PlainText(200, []byte("success"))
 			return
 		}
-		ctx.JSON(500, map[string]interface{}{
+		ctx.JSON(http.StatusInternalServerError, map[string]interface{}{
 			"err": err.Error(),
 		})
 		return
 	}
 	deployKey.UpdatedUnix = timeutil.TimeStampNow()
 	if err = models.UpdateDeployKeyCols(deployKey, "updated_unix"); err != nil {
-		ctx.JSON(500, map[string]interface{}{
+		ctx.JSON(http.StatusInternalServerError, map[string]interface{}{
 			"err": err.Error(),
 		})
 		return
 	}
 
-	ctx.PlainText(200, []byte("success"))
+	ctx.PlainText(http.StatusOK, []byte("success"))
+}
+
+// AuthorizedPublicKeyByContent searches content as prefix (leak e-mail part)
+// and returns public key found.
+func AuthorizedPublicKeyByContent(ctx *macaron.Context) {
+	content := ctx.Query("content")
+
+	publicKey, err := models.SearchPublicKeyByContent(content)
+	if err != nil {
+		ctx.JSON(http.StatusInternalServerError, map[string]interface{}{
+			"err": err.Error(),
+		})
+		return
+	}
+	ctx.PlainText(http.StatusOK, []byte(publicKey.AuthorizedString()))
 }