Files
gitocean/cmd/admin_user_generate_authorized_integration.go
T

271 lines
8.0 KiB
Go

// Copyright 2026 The Forgejo Authors. All rights reserved.
// SPDX-License-Identifier: GPL-3.0-or-later
package cmd
import (
"bytes"
"context"
"errors"
"fmt"
"os"
"strings"
auth_model "forgejo.org/models/auth"
"forgejo.org/models/db"
"forgejo.org/models/repo"
user_model "forgejo.org/models/user"
"forgejo.org/modules/json"
"forgejo.org/services/authz"
"github.com/urfave/cli/v3"
)
func microcmdUserCreateAuthorizedIntegration() *cli.Command {
return &cli.Command{
Name: "create-authorized-integration",
Description: `Creates an authorized integration. Authorized integrations allow Forgejo to
receive JWTs from external sources, validate their claims against
user-defined rules, and grant access to Forgejo's API on behalf of a user.
The issuer may be set to "urn:forgejo:authorized-integrations:actions"
to support JWTs from the local instance's Forgejo Actions, utilizing the
enable-openid-connect flag in a workflow.`,
// `--claim-in sub=v1,v2,v3` needs to be parsed as a single parameter so that we can comma-split the value into
// an array. To accomplish this, we disable urfave 's slice flag separator, which would cause this to be
// treated as "sub=v1", "v2=?", and "v3=?", resulting in an error of missing values.
DisableSliceFlagSeparator: true,
Flags: []cli.Flag{
&cli.StringFlag{
Name: "username",
Aliases: []string{"u"},
Usage: "Username",
Required: true,
},
&cli.StringFlag{
Name: "name",
Usage: "Name of the authorized integration for later identification",
Required: true,
},
&cli.StringFlag{
Name: "description",
Usage: "Optional description for the authorized integration",
},
// JWT validation:
&cli.StringFlag{
Name: "issuer",
Usage: `JWT issuer ('iss' claim), example: https://forgejo.example.org/api/actions`,
Required: true,
},
&cli.StringMapFlag{
Name: "claim-eq",
Value: map[string]string{},
Usage: `Zero-or-more claim equality checks, formatted as claim=value, example: "actor=someuser"`,
},
&cli.StringMapFlag{
Name: "claim-in",
Value: map[string]string{},
Usage: `Zero-or-more claim equality in list checks, formatted as claim=value1,value2,... example: "actor=user1,user2"`,
},
&cli.StringMapFlag{
Name: "claim-glob",
Value: map[string]string{},
Usage: `Zero-or-more claim glob checks, formatted as claim=value, example: "sub=repo:forgejo/*:pull_request"`,
},
&cli.StringMapFlag{
Name: "claim-glob-in",
Value: map[string]string{},
Usage: `Zero-or-more claim glob in list checks, formatted as claim=va*ue1,va*ue2,... example: "sub=repo:*/*:pull_request,repo:*/*:refs:*"`,
},
// nested claim support omitted for now -- pretty complex for a CLI
// Permissions available on successful auth:
&cli.StringSliceFlag{
Name: "scope",
Value: []string{"all"},
Usage: `One-or-more scopes to apply to access token, examples: "all", "read:issue", "write:repository"`,
},
&cli.StringSliceFlag{
Name: "repo",
Value: []string{"all"},
Usage: `Zero-or-more specific repositories that can be accessed, or "all" to allow access to all repositories, example: "owner1/repo1"`,
},
},
Before: noDanglingArgs,
Action: runCreateAuthorizedIntegration,
}
}
func runCreateAuthorizedIntegration(ctx context.Context, c *cli.Command) error {
if !c.IsSet("username") {
return errors.New("you must provide a username to generate a token for")
}
ctx, cancel := installSignals(ctx)
defer cancel()
if err := initDB(ctx); err != nil {
return err
}
user, err := user_model.GetUserByName(ctx, c.String("username"))
if err != nil {
return err
}
ai := &auth_model.AuthorizedIntegration{
UserID: user.ID,
Name: c.String("name"),
Description: c.String("description"),
UI: auth_model.AuthorizedIntegrationUIGeneric,
}
var rules []auth_model.ClaimRule
ai.Issuer = c.String("issuer")
for claim, value := range c.StringMap("claim-eq") {
rules = append(rules, auth_model.ClaimRule{
Claim: claim,
Comparison: auth_model.ClaimEqual,
Value: value,
})
}
for claim, value := range c.StringMap("claim-in") {
values := []string{}
for s := range strings.SplitSeq(value, ",") {
values = append(values, strings.TrimSpace(s))
}
rules = append(rules, auth_model.ClaimRule{
Claim: claim,
Comparison: auth_model.ClaimIn,
Values: values,
})
}
for claim, value := range c.StringMap("claim-glob") {
rules = append(rules, auth_model.ClaimRule{
Claim: claim,
Comparison: auth_model.ClaimGlob,
Value: value,
})
}
for claim, value := range c.StringMap("claim-glob-in") {
values := []string{}
for s := range strings.SplitSeq(value, ",") {
values = append(values, strings.TrimSpace(s))
}
rules = append(rules, auth_model.ClaimRule{
Claim: claim,
Comparison: auth_model.ClaimGlobIn,
Values: values,
})
}
ai.ClaimRules = &auth_model.ClaimRules{Rules: rules}
scopes := strings.Join(c.StringSlice("scope"), ",")
accessTokenScope, err := auth_model.AccessTokenScope(scopes).Normalize()
if err != nil {
return fmt.Errorf("invalid access token scope provided: %w", err)
}
ai.Scope = accessTokenScope
allRepos := false
repos := []*repo.Repository{}
for _, repoName := range c.StringSlice("repo") {
if repoName == "all" {
allRepos = true
} else {
split := strings.Split(repoName, "/")
if len(split) != 2 {
return fmt.Errorf("invalid repo name: %q", split)
}
owner := split[0]
name := split[1]
repo, err := repo.GetRepositoryByOwnerAndName(ctx, owner, name)
if err != nil {
return err
}
repos = append(repos, repo)
}
}
ai.ResourceAllRepos = allRepos
rr := make([]*auth_model.AuthorizedIntegResourceRepo, len(repos))
for i := range repos {
rr[i] = &auth_model.AuthorizedIntegResourceRepo{RepoID: repos[i].ID}
}
if err := authz.ValidateAuthorizedIntegration(ai, rr); err != nil {
return err
}
err = db.WithTx(ctx, func(ctx context.Context) error {
if err := auth_model.InsertAuthorizedIntegration(ctx, ai); err != nil {
return err
}
if !allRepos {
if err := auth_model.InsertAuthorizedIntegrationResourceRepos(ctx, ai.ID, rr); err != nil {
return err
}
}
return nil
})
if err != nil {
return err
}
type ClaimRuleDescription struct {
Description string `json:"description"`
Claim string `json:"claim"`
Comparison auth_model.ClaimComparison `json:"compare"`
Value string `json:"value,omitempty"`
Values []string `json:"values,omitempty"`
}
output := struct {
Message string `json:"message"`
Name string `json:"name"`
Description string `json:"description,omitempty"`
Issuer string `json:"issuer"`
Audience string `json:"audience"`
ClaimRules []ClaimRuleDescription `json:"claim_rules"`
}{
Message: "Authorized integration was successfully created.",
Name: ai.Name,
Description: ai.Description,
Issuer: ai.Issuer,
Audience: ai.Audience,
}
for _, cr := range ai.ClaimRules.Rules {
var description string
switch cr.Comparison {
case auth_model.ClaimEqual:
description = fmt.Sprintf("%q = %q", cr.Claim, cr.Value)
case auth_model.ClaimIn:
description = fmt.Sprintf("%q in %q", cr.Claim, cr.Values)
case auth_model.ClaimGlob:
description = fmt.Sprintf("%q matches %q", cr.Claim, cr.Value)
case auth_model.ClaimGlobIn:
description = fmt.Sprintf("%q matches in %q", cr.Claim, cr.Values)
}
output.ClaimRules = append(output.ClaimRules, ClaimRuleDescription{
Description: description,
Claim: cr.Claim,
Comparison: cr.Comparison,
Value: cr.Value,
Values: cr.Values,
})
}
raw, err := json.Marshal(output)
if err != nil {
return err
}
var indent bytes.Buffer
if err := json.Indent(&indent, raw, "", " "); err != nil {
return err
}
os.Stdout.Write(indent.Bytes())
return nil
}