Semaphore/api/projects/keys.go

package projects

import (
	"database/sql"
	"net/http"

	"github.com/ansible-semaphore/semaphore/db"
	"github.com/ansible-semaphore/semaphore/util"
	"github.com/ansible-semaphore/semaphore/mulekick"
	"github.com/gorilla/context"
	"github.com/masterminds/squirrel"
)

// KeyMiddleware ensures a key exists and loads it to the context
func KeyMiddleware(w http.ResponseWriter, r *http.Request) {
	project := context.Get(r, "project").(db.Project)
	keyID, err := util.GetIntParam("key_id", w, r)
	if err != nil {
		return
	}

	var key db.AccessKey
	if err := db.Mysql.SelectOne(&key, "select * from access_key where project_id=? and id=?", project.ID, keyID); err != nil {
		if err == sql.ErrNoRows {
			w.WriteHeader(http.StatusNotFound)
			return
		}

		panic(err)
	}

	context.Set(r, "accessKey", key)
}

// GetKeys retrieves sorted keys from the database
func GetKeys(w http.ResponseWriter, r *http.Request) {
	project := context.Get(r, "project").(db.Project)
	var keys []db.AccessKey

	sort := r.URL.Query().Get("sort")
	order := r.URL.Query().Get("order")

	if order != "asc" && order != "desc" {
		order = "asc"
	}

	q := squirrel.Select("ak.id",
		"ak.name",
		"ak.type",
		"ak.project_id",
		"ak.key",
		"ak.removed").
		From("access_key ak")

	if t := r.URL.Query().Get("type"); len(t) > 0 {
		q = q.Where("type=?", t)
	}

	switch sort {
	case "name", "type":
		q = q.Where("ak.project_id=?", project.ID).
			OrderBy("ak." + sort + " " + order)
	default:
		q = q.Where("ak.project_id=?", project.ID).
			OrderBy("ak.name " + order)
	}

	query, args, err := q.ToSql()
	util.LogWarning(err)

	if _, err := db.Mysql.Select(&keys, query, args...); err != nil {
		panic(err)
	}

	mulekick.WriteJSON(w, http.StatusOK, keys)
}

// AddKey adds a new key to the database
func AddKey(w http.ResponseWriter, r *http.Request) {
	project := context.Get(r, "project").(db.Project)
	var key db.AccessKey

	if err := mulekick.Bind(w, r, &key); err != nil {
		return
	}

	switch key.Type {
	case "aws", "gcloud", "do":
		break
	case "ssh":
		if key.Secret == nil || len(*key.Secret) == 0 {
			mulekick.WriteJSON(w, http.StatusBadRequest, map[string]string{
				"error": "SSH Secret empty",
			})
			return
		}
	default:
		mulekick.WriteJSON(w, http.StatusBadRequest, map[string]string{
			"error": "Invalid key type",
		})
		return
	}

	secret := *key.Secret + "\n"

	res, err := db.Mysql.Exec("insert into access_key set name=?, type=?, project_id=?, `key`=?, secret=?", key.Name, key.Type, project.ID, key.Key, secret)
	if err != nil {
		panic(err)
	}

	insertID, err := res.LastInsertId()
	util.LogWarning(err)
	insertIDInt := int(insertID)
	objType := "key"

	desc := "Access Key " + key.Name + " created"
	if err := (db.Event{
		ProjectID:   &project.ID,
		ObjectType:  &objType,
		ObjectID:    &insertIDInt,
		Description: &desc,
	}.Insert()); err != nil {
		panic(err)
	}

	w.WriteHeader(http.StatusNoContent)
}

// UpdateKey updates key in database
// nolint: gocyclo
func UpdateKey(w http.ResponseWriter, r *http.Request) {
	var key db.AccessKey
	oldKey := context.Get(r, "accessKey").(db.AccessKey)

	if err := mulekick.Bind(w, r, &key); err != nil {
		return
	}

	switch key.Type {
	case "aws", "gcloud", "do":
		break
	case "ssh":
		if key.Secret == nil || len(*key.Secret) == 0 {
			mulekick.WriteJSON(w, http.StatusBadRequest, map[string]string{
				"error": "SSH Secret empty",
			})
			return
		}
	default:
		mulekick.WriteJSON(w, http.StatusBadRequest, map[string]string{
			"error": "Invalid key type",
		})
		return
	}

	if key.Secret == nil || len(*key.Secret) == 0 {
		// override secret
		key.Secret = oldKey.Secret
	} else {
		secret := *key.Secret + "\n"
		key.Secret = &secret
	}

	if _, err := db.Mysql.Exec("update access_key set name=?, type=?, `key`=?, secret=? where id=?", key.Name, key.Type, key.Key, key.Secret, oldKey.ID); err != nil {
		panic(err)
	}

	desc := "Access Key " + key.Name + " updated"
	objType := "key"
	if err := (db.Event{
		ProjectID:   oldKey.ProjectID,
		Description: &desc,
		ObjectID:    &oldKey.ID,
		ObjectType:  &objType,
	}.Insert()); err != nil {
		panic(err)
	}

	w.WriteHeader(http.StatusNoContent)
}

// RemoveKey deletes a key from the database
func RemoveKey(w http.ResponseWriter, r *http.Request) {
	key := context.Get(r, "accessKey").(db.AccessKey)

	templatesC, err := db.Mysql.SelectInt("select count(1) from project__template where project_id=? and ssh_key_id=?", *key.ProjectID, key.ID)
	if err != nil {
		panic(err)
	}

	inventoryC, err := db.Mysql.SelectInt("select count(1) from project__inventory where project_id=? and ssh_key_id=?", *key.ProjectID, key.ID)
	if err != nil {
		panic(err)
	}

	if templatesC > 0 || inventoryC > 0 {
		if len(r.URL.Query().Get("setRemoved")) == 0 {
			mulekick.WriteJSON(w, http.StatusBadRequest, map[string]interface{}{
				"error": "Key is in use by one or more templates / inventory",
				"inUse": true,
			})

			return
		}

		if _, err := db.Mysql.Exec("update access_key set removed=1 where id=?", key.ID); err != nil {
			panic(err)
		}

		w.WriteHeader(http.StatusNoContent)
		return
	}

	if _, err := db.Mysql.Exec("delete from access_key where id=?", key.ID); err != nil {
		panic(err)
	}

	desc := "Access Key " + key.Name + " deleted"
	if err := (db.Event{
		ProjectID:   key.ProjectID,
		Description: &desc,
	}.Insert()); err != nil {
		panic(err)
	}

	w.WriteHeader(http.StatusNoContent)
}