func cookbookHandler(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
pathArray := splitPath(r.URL.Path)
cookbookResponse := make(map[string]interface{})
opUser, oerr := actor.GetReqUser(r.Header.Get("X-OPS-USERID"))
if oerr != nil {
jsonErrorReport(w, r, oerr.Error(), oerr.Status())
return
}
var numResults string
r.ParseForm()
if nrs, found := r.Form["num_versions"]; found {
if len(nrs) < 0 {
jsonErrorReport(w, r, "invalid num_versions", http.StatusBadRequest)
return
}
numResults = nrs[0]
err := util.ValidateNumVersions(numResults)
if err != nil {
jsonErrorReport(w, r, err.Error(), err.Status())
return
}
}
force := ""
if f, fok := r.Form["force"]; fok {
if len(f) > 0 {
force = f[0]
}
}
pathArrayLen := len(pathArray)
/* 1 and 2 length path arrays only support GET */
if pathArrayLen < 3 && r.Method != "GET" {
jsonErrorReport(w, r, "Bad request.", http.StatusMethodNotAllowed)
return
} else if pathArrayLen < 3 && opUser.IsValidator() {
jsonErrorReport(w, r, "You are not allowed to perform this action", http.StatusForbidden)
return
}
/* chef-pedant is happier when checking if a validator can do something
* surprisingly late in the game. It wants the perm checks to be
* checked after the method for the end point is checked out as
* something it's going to handle, so, for instance, issuing a DELETE
* against an endpoint where that isn't allowed should respond with a
* 405, rather than a 403, which also makes sense in areas where
* validators shouldn't be able to do anything. *shrugs*
*/
if pathArrayLen == 1 || (pathArrayLen == 2 && pathArray[1] == "") {
/* list all cookbooks */
cookbookResponse = cookbook.CookbookLister(numResults)
} else if pathArrayLen == 2 {
/* info about a cookbook and all its versions */
cookbookName := pathArray[1]
/* Undocumented behavior - a cookbook name of _latest gets a
* list of the latest versions of all the cookbooks, and _recipe
* gets the recipes of the latest cookbooks. */
if cookbookName == "_latest" {
cookbookResponse = cookbook.CookbookLatest()
} else if cookbookName == "_recipes" {
rlist, nerr := cookbook.CookbookRecipes()
if nerr != nil {
jsonErrorReport(w, r, nerr.Error(), nerr.Status())
return
}
enc := json.NewEncoder(w)
if err := enc.Encode(&rlist); err != nil {
jsonErrorReport(w, r, err.Error(), http.StatusInternalServerError)
}
return
} else {
cb, err := cookbook.Get(cookbookName)
if err != nil {
jsonErrorReport(w, r, err.Error(), http.StatusNotFound)
return
}
/* Strange thing here. The API docs say if num_versions
* is not specified to return one cookbook, yet the
* spec indicates that if it's not set that all
* cookbooks should be returned. Most places *except
* here* that's the case, so it can't be changed in
* infoHashBase. Explicitly set numResults to all
* here. */
if numResults == "" {
numResults = "all"
}
cookbookResponse[cookbookName] = cb.InfoHash(numResults)
}
} else if pathArrayLen == 3 {
/* get information about or manipulate a specific cookbook
* version */
cookbookName := pathArray[1]
var cookbookVersion string
var vererr util.Gerror
opUser, oerr := actor.GetReqUser(r.Header.Get("X-OPS-USERID"))
if oerr != nil {
jsonErrorReport(w, r, oerr.Error(), oerr.Status())
return
}
if r.Method == "GET" && pathArray[2] == "_latest" { // might be other special vers
cookbookVersion = pathArray[2]
} else {
cookbookVersion, vererr = util.ValidateAsVersion(pathArray[2])
if vererr != nil {
vererr := util.Errorf("Invalid cookbook version '%s'.", pathArray[2])
jsonErrorReport(w, r, vererr.Error(), vererr.Status())
return
}
}
switch r.Method {
case "DELETE", "GET":
if opUser.IsValidator() {
jsonErrorReport(w, r, "You are not allowed to perform this action", http.StatusForbidden)
return
}
cb, err := cookbook.Get(cookbookName)
if err != nil {
if err.Status() == http.StatusNotFound {
msg := fmt.Sprintf("Cannot find a cookbook named %s with version %s", cookbookName, cookbookVersion)
jsonErrorReport(w, r, msg, err.Status())
} else {
jsonErrorReport(w, r, err.Error(), err.Status())
}
return
}
cbv, err := cb.GetVersion(cookbookVersion)
if err != nil {
jsonErrorReport(w, r, err.Error(), http.StatusNotFound)
return
}
if r.Method == "DELETE" {
if !opUser.IsAdmin() {
jsonErrorReport(w, r, "You are not allowed to take this action.", http.StatusForbidden)
return
}
err := cb.DeleteVersion(cookbookVersion)
if err != nil {
jsonErrorReport(w, r, err.Error(), err.Status())
return
}
if lerr := loginfo.LogEvent(opUser, cbv, "delete"); lerr != nil {
jsonErrorReport(w, r, lerr.Error(), http.StatusInternalServerError)
return
}
/* If all versions are gone, remove the
* cookbook - seems to be the desired
* behavior. */
if cb.NumVersions() == 0 {
if cerr := cb.Delete(); cerr != nil {
jsonErrorReport(w, r, cerr.Error(), http.StatusInternalServerError)
return
}
}
} else {
/* Special JSON rendition of the
* cookbook with some but not all of
* the fields. */
cookbookResponse = cbv.ToJSON(r.Method)
/* Sometimes, but not always, chef needs
* empty slices of maps for these
* values. Arrrgh. */
/* Doing it this way is absolutely
* insane. However, webui really wants
* this information, while chef-pedant
* absolutely does NOT want it there.
* knife seems happy without it as well.
* Until such time that this gets
* resolved in a non-crazy manner, for
* this only send that info back if it's
* a webui request. */
if rs := r.Header.Get("X-Ops-Request-Source"); rs == "web" {
chkDiv := []string{"definitions", "libraries", "attributes", "providers", "resources", "templates", "root_files", "files"}
for _, cd := range chkDiv {
if cookbookResponse[cd] == nil {
cookbookResponse[cd] = make([]map[string]interface{}, 0)
}
}
}
}
case "PUT":
if !opUser.IsAdmin() {
jsonErrorReport(w, r, "You are not allowed to perform this action", http.StatusForbidden)
return
}
cbvData, jerr := parseObjJSON(r.Body)
if jerr != nil {
jsonErrorReport(w, r, jerr.Error(), http.StatusBadRequest)
return
}
/* First, see if the cookbook already exists, &
* if not create it. Second, see if this
* specific version of the cookbook exists. If
* so, update it, otherwise, create it and set
* the latest version as needed. */
cb, err := cookbook.Get(cookbookName)
if err != nil {
cb, err = cookbook.New(cookbookName)
if err != nil {
jsonErrorReport(w, r, err.Error(), err.Status())
return
}
/* save it so we get the id with mysql
* for creating versions & such */
serr := cb.Save()
if serr != nil {
jsonErrorReport(w, r, serr.Error(), http.StatusInternalServerError)
return
}
if lerr := loginfo.LogEvent(opUser, cb, "create"); lerr != nil {
jsonErrorReport(w, r, lerr.Error(), http.StatusInternalServerError)
return
}
}
cbv, err := cb.GetVersion(cookbookVersion)
/* Does the cookbook_name in the URL and what's
* in the body match? */
switch t := cbvData["cookbook_name"].(type) {
case string:
/* Only send this particular
* error if the cookbook version
* hasn't been created yet.
* Instead we want a slightly
* different version later. */
if t != cookbookName && cbv == nil {
terr := util.Errorf("Field 'name' invalid")
jsonErrorReport(w, r, terr.Error(), terr.Status())
return
}
default:
// rather unlikely, I think, to
// be able to get here past the
// cookbook get. Punk out and
// don't do anything
}
if err != nil {
var nerr util.Gerror
cbv, nerr = cb.NewVersion(cookbookVersion, cbvData)
if nerr != nil {
// If the new version failed to
// take, and there aren't any
// other versions of the cookbook
// it needs to be deleted.
if cb.NumVersions() == 0 {
cb.Delete()
}
jsonErrorReport(w, r, nerr.Error(), nerr.Status())
return
}
if lerr := loginfo.LogEvent(opUser, cbv, "create"); lerr != nil {
jsonErrorReport(w, r, lerr.Error(), http.StatusInternalServerError)
return
}
w.WriteHeader(http.StatusCreated)
} else {
err := cbv.UpdateVersion(cbvData, force)
if err != nil {
jsonErrorReport(w, r, err.Error(), err.Status())
return
}
gerr := cb.Save()
if gerr != nil {
jsonErrorReport(w, r, gerr.Error(), http.StatusInternalServerError)
return
}
if lerr := loginfo.LogEvent(opUser, cbv, "modify"); lerr != nil {
jsonErrorReport(w, r, lerr.Error(), http.StatusInternalServerError)
return
}
}
/* API docs are wrong. The docs claim that this
* should have no response body, but in fact it
* wants some (not all) of the cookbook version
* data. */
cookbookResponse = cbv.ToJSON(r.Method)
default:
jsonErrorReport(w, r, "Unrecognized method", http.StatusMethodNotAllowed)
return
}
} else {
/* Say what? Bad request. */
jsonErrorReport(w, r, "Bad request", http.StatusBadRequest)
return
}
enc := json.NewEncoder(w)
if err := enc.Encode(&cookbookResponse); err != nil {
jsonErrorReport(w, r, err.Error(), http.StatusInternalServerError)
}
}
func environmentHandler(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
accErr := checkAccept(w, r, "application/json")
if accErr != nil {
jsonErrorReport(w, r, accErr.Error(), http.StatusNotAcceptable)
return
}
opUser, oerr := actor.GetReqUser(r.Header.Get("X-OPS-USERID"))
if oerr != nil {
jsonErrorReport(w, r, oerr.Error(), oerr.Status())
return
}
pathArray := splitPath(r.URL.Path)
envResponse := make(map[string]interface{})
var numResults string
r.ParseForm()
if nrs, found := r.Form["num_versions"]; found {
if len(nrs) < 0 {
jsonErrorReport(w, r, "invalid num_versions", http.StatusBadRequest)
return
}
numResults = nrs[0]
err := util.ValidateNumVersions(numResults)
if err != nil {
jsonErrorReport(w, r, "You have requested an invalid number of versions (x >= 0 || 'all')", err.Status())
return
}
}
pathArrayLen := len(pathArray)
if pathArrayLen == 1 {
switch r.Method {
case "GET":
if opUser.IsValidator() {
jsonErrorReport(w, r, "You are not allowed to perform this action", http.StatusForbidden)
return
}
envList := environment.GetList()
for _, env := range envList {
envResponse[env] = util.CustomURL(fmt.Sprintf("/environments/%s", env))
}
case "POST":
if !opUser.IsAdmin() {
jsonErrorReport(w, r, "You are not allowed to perform this action", http.StatusForbidden)
return
}
envData, jerr := parseObjJSON(r.Body)
if jerr != nil {
jsonErrorReport(w, r, jerr.Error(), http.StatusBadRequest)
return
}
if _, ok := envData["name"].(string); !ok || envData["name"].(string) == "" {
jsonErrorReport(w, r, "Environment name missing", http.StatusBadRequest)
return
}
chefEnv, _ := environment.Get(envData["name"].(string))
if chefEnv != nil {
httperr := fmt.Errorf("Environment already exists")
jsonErrorReport(w, r, httperr.Error(), http.StatusConflict)
return
}
var eerr util.Gerror
chefEnv, eerr = environment.NewFromJSON(envData)
if eerr != nil {
jsonErrorReport(w, r, eerr.Error(), eerr.Status())
return
}
if err := chefEnv.Save(); err != nil {
jsonErrorReport(w, r, err.Error(), http.StatusBadRequest)
return
}
if lerr := loginfo.LogEvent(opUser, chefEnv, "create"); lerr != nil {
jsonErrorReport(w, r, lerr.Error(), http.StatusInternalServerError)
return
}
envResponse["uri"] = util.ObjURL(chefEnv)
w.WriteHeader(http.StatusCreated)
default:
jsonErrorReport(w, r, "Unrecognized method", http.StatusMethodNotAllowed)
return
}
} else if pathArrayLen == 2 {
/* All of the 2 element operations return the environment
* object, so we do the json encoding in this block and return
* out. */
envName := pathArray[1]
env, err := environment.Get(envName)
delEnv := false /* Set this to delete the environment after
* sending the json. */
if err != nil {
jsonErrorReport(w, r, err.Error(), http.StatusNotFound)
return
}
switch r.Method {
case "GET", "DELETE":
/* We don't actually have to do much here. */
if r.Method == "DELETE" {
if !opUser.IsAdmin() {
jsonErrorReport(w, r, "You are not allowed to perform this action", http.StatusForbidden)
return
}
if envName == "_default" {
jsonErrorReport(w, r, "The '_default' environment cannot be modified.", http.StatusMethodNotAllowed)
return
}
delEnv = true
} else {
if opUser.IsValidator() {
jsonErrorReport(w, r, "You are not allowed to perform this action", http.StatusForbidden)
return
}
}
case "PUT":
if !opUser.IsAdmin() {
jsonErrorReport(w, r, "You are not allowed to perform this action", http.StatusForbidden)
return
}
envData, jerr := parseObjJSON(r.Body)
if jerr != nil {
jsonErrorReport(w, r, jerr.Error(), http.StatusBadRequest)
return
}
if envData == nil {
jsonErrorReport(w, r, "No environment data in body at all!", http.StatusBadRequest)
return
}
if _, ok := envData["name"]; !ok {
//envData["name"] = envName
jsonErrorReport(w, r, "Environment name missing", http.StatusBadRequest)
return
}
jsonName, sterr := util.ValidateAsString(envData["name"])
if sterr != nil {
jsonErrorReport(w, r, sterr.Error(), sterr.Status())
return
} else if jsonName == "" {
jsonErrorReport(w, r, "Environment name missing", http.StatusBadRequest)
return
}
if envName != envData["name"].(string) {
env, err = environment.Get(envData["name"].(string))
if err == nil {
jsonErrorReport(w, r, "Environment already exists", http.StatusConflict)
return
}
var eerr util.Gerror
env, eerr = environment.NewFromJSON(envData)
if eerr != nil {
jsonErrorReport(w, r, eerr.Error(), eerr.Status())
return
}
w.WriteHeader(http.StatusCreated)
oldenv, olderr := environment.Get(envName)
if olderr == nil {
oldenv.Delete()
}
} else {
if jsonName == "" {
envData["name"] = envName
}
if err := env.UpdateFromJSON(envData); err != nil {
jsonErrorReport(w, r, err.Error(), err.Status())
return
}
}
if err := env.Save(); err != nil {
jsonErrorReport(w, r, err.Error(), err.Status())
return
}
if lerr := loginfo.LogEvent(opUser, env, "modify"); lerr != nil {
jsonErrorReport(w, r, lerr.Error(), http.StatusInternalServerError)
return
}
default:
jsonErrorReport(w, r, "Unrecognized method", http.StatusMethodNotAllowed)
return
}
enc := json.NewEncoder(w)
if err := enc.Encode(&env); err != nil {
jsonErrorReport(w, r, err.Error(), http.StatusInternalServerError)
return
}
if delEnv {
err := env.Delete()
if err != nil {
jsonErrorReport(w, r, err.Error(), http.StatusInternalServerError)
return
}
if lerr := loginfo.LogEvent(opUser, env, "delete"); lerr != nil {
jsonErrorReport(w, r, lerr.Error(), http.StatusInternalServerError)
return
}
}
return
} else if pathArrayLen == 3 {
envName := pathArray[1]
op := pathArray[2]
if op == "cookbook_versions" && r.Method != "POST" || op != "cookbook_versions" && r.Method != "GET" {
jsonErrorReport(w, r, "Unrecognized method", http.StatusMethodNotAllowed)
return
}
if opUser.IsValidator() {
jsonErrorReport(w, r, "You are not allowed to perform this action", http.StatusForbidden)
return
}
env, err := environment.Get(envName)
if err != nil {
jsonErrorReport(w, r, err.Error(), http.StatusNotFound)
return
}
switch op {
case "cookbook_versions":
/* Chef Server API docs aren't even remotely
* right here. What it actually wants is the
* usual hash of info for the latest or
* constrained version. Weird. */
cbVer, jerr := parseObjJSON(r.Body)
if jerr != nil {
errmsg := jerr.Error()
if !strings.Contains(errmsg, "Field") {
errmsg = "invalid JSON"
} else {
errmsg = jerr.Error()
}
jsonErrorReport(w, r, errmsg, http.StatusBadRequest)
return
}
if _, ok := cbVer["run_list"]; !ok {
jsonErrorReport(w, r, "POSTed JSON badly formed.", http.StatusMethodNotAllowed)
return
}
deps, err := cookbook.DependsCookbooks(cbVer["run_list"].([]string), env.CookbookVersions)
if err != nil {
jsonErrorReport(w, r, err.Error(), http.StatusPreconditionFailed)
return
}
/* Need our own encoding here too. */
enc := json.NewEncoder(w)
if err := enc.Encode(&deps); err != nil {
jsonErrorReport(w, r, err.Error(), http.StatusInternalServerError)
}
return
case "cookbooks":
envResponse = env.AllCookbookHash(numResults)
case "nodes":
nodeList, err := node.GetFromEnv(envName)
if err != nil {
jsonErrorReport(w, r, err.Error(), http.StatusInternalServerError)
return
}
for _, chefNode := range nodeList {
envResponse[chefNode.Name] = util.ObjURL(chefNode)
}
case "recipes":
envRecipes := env.RecipeList()
/* And... we have to do our own json response
* here. Hmph. */
/* TODO: make the JSON encoding stuff its own
* function. Dunno why I never thought of that
* before now for this. */
enc := json.NewEncoder(w)
if err := enc.Encode(&envRecipes); err != nil {
jsonErrorReport(w, r, err.Error(), http.StatusInternalServerError)
}
return
default:
jsonErrorReport(w, r, "Bad request", http.StatusBadRequest)
return
}
} else if pathArrayLen == 4 {
envName := pathArray[1]
/* op is either "cookbooks" or "roles", and opName is the name
* of the object op refers to. */
op := pathArray[2]
opName := pathArray[3]
if r.Method != "GET" {
jsonErrorReport(w, r, "Method not allowed", http.StatusMethodNotAllowed)
return
}
if opUser.IsValidator() {
jsonErrorReport(w, r, "You are not allowed to perform this action", http.StatusForbidden)
return
}
env, err := environment.Get(envName)
if err != nil {
jsonErrorReport(w, r, err.Error(), http.StatusNotFound)
return
}
/* Biting the bullet and not redirecting this to
* /roles/NAME/environments/NAME. The behavior is exactly the
* same, but it makes clients and chef-pedant somewhat unhappy
* to not have this way available. */
if op == "roles" {
role, err := role.Get(opName)
if err != nil {
jsonErrorReport(w, r, err.Error(), http.StatusNotFound)
return
}
var runList []string
if envName == "_default" {
runList = role.RunList
} else {
runList = role.EnvRunLists[envName]
}
envResponse["run_list"] = runList
} else if op == "cookbooks" {
cb, err := cookbook.Get(opName)
if err != nil {
jsonErrorReport(w, r, err.Error(), http.StatusNotFound)
return
}
/* Here and, I think, here only, if num_versions isn't
* set it's supposed to return ALL matching versions.
* API docs are wrong here. */
if numResults == "" {
numResults = "all"
}
envResponse[opName] = cb.ConstrainedInfoHash(numResults, env.CookbookVersions[opName])
} else {
/* Not an op we know. */
jsonErrorReport(w, r, "Bad request - too many elements in path", http.StatusBadRequest)
return
}
} else {
/* Bad number of path elements. */
jsonErrorReport(w, r, "Bad request - too many elements in path", http.StatusBadRequest)
return
}
enc := json.NewEncoder(w)
if err := enc.Encode(&envResponse); err != nil {
jsonErrorReport(w, r, err.Error(), http.StatusInternalServerError)
}
}