func (mux *CtpApiHandlerMux) ServeHTTP(w http.ResponseWriter, r *http.Request) {
context, err := ctp.NewApiContext(r, mux.Configuration)
if err != nil {
ctp.RenderErrorResponse(w, context, ctp.NewHttpError(500, "Context creation failure"))
return
}
defer context.Close()
if handlerfunc, ok := ctpUrlMap[context.Signature]; ok {
ctp.Log(context, ctp.INFO, "Serving request '%s' with signature '%s'", r.RequestURI, context.Signature)
handlerfunc(w, r, context)
} else {
ctp.Log(nil, ctp.WARNING, "Not found: %s\n", context.Signature)
http.NotFound(w, r)
}
}
func HandleGETCollection(w http.ResponseWriter, r *http.Request, context *ctp.ApiContext) {
var item ctp.NamedResource
var parent ctp.Resource
var query *mgo.Query
var collectionType string
var skip, page, items int
var err error
collection := new(Collection)
selector := make(bson.M)
if name, ok := r.URL.Query()["name"]; ok {
selector["name"] = name[0]
}
page_query := r.URL.Query().Get("page")
items_query := r.URL.Query().Get("items")
if page_query != "" || items_query != "" {
if page_query == "" || items_query == "" {
ctp.RenderErrorResponse(w, context, ctp.NewHttpError(http.StatusBadRequest, "Must specify both 'page' and 'items' in query string."))
return
}
if page, err = strconv.Atoi(page_query); err != nil || page < 0 {
ctp.RenderErrorResponse(w, context, ctp.NewHttpError(http.StatusBadRequest, "page must be a positive number."))
return
}
if items, err = strconv.Atoi(items_query); err != nil || items <= 0 {
ctp.RenderErrorResponse(w, context, ctp.NewHttpError(http.StatusBadRequest, "items must be a non-zero positive number."))
}
skip = items * page
}
if !context.AuthenticateClient(w, r) {
return
}
var mgoCollection *mgo.Collection
if len(context.Params) == 1 {
collectionType = context.Params[0]
mgoCollection = context.Session.DB("ctp").C(collectionType)
switch collectionType {
case "serviceViews":
if !context.VerifyAccessTags(w, ctp.UserRoleTag) {
return
}
if !ctp.MatchTags(context.AccountTags, ctp.AdminRoleTag) {
selector["accessTags"] = bson.M{"$in": context.AccountTags.WithPrefix("account:")}
}
case "metrics":
if !context.VerifyAccessTags(w, ctp.UserRoleTag) {
return
}
default:
if !context.VerifyAccessTags(w, ctp.AdminRoleTag) {
return
}
}
} else {
if !context.VerifyAccessTags(w, ctp.UserRoleTag) {
return
}
if !ctp.LoadResource(context, context.Params[0], ctp.Base64Id(context.Params[1]), &parent) {
ctp.RenderErrorResponse(w, context, ctp.NewNotFoundErrorf("Not found - /%s/%s does not exist", context.Params[0], context.Params[1]))
return
}
if !context.VerifyAccessTags(w, parent.AccessTags) {
return
}
collection.Scope = ctp.NewLink(context.CtpBase, "/$/$", context.Params[0], context.Params[1])
collectionType = context.Params[2]
if context.Params[2] == "indicators" {
mgoCollection = context.Session.DB("ctp").C("measurements")
} else {
mgoCollection = context.Session.DB("ctp").C(collectionType)
}
selector["parent"] = context.Params[1]
}
query = mgoCollection.Find(selector)
collection_length, err := query.Count()
if err != nil {
ctp.RenderErrorResponse(w, context, ctp.NewInternalServerError(err))
return
}
query = query.Sort("$natural").Skip(skip).Limit(items)
returned_length, err := query.Count()
if err != nil {
ctp.RenderErrorResponse(w, context, ctp.NewInternalServerError(err))
return
}
collection.Self = ctp.Link(r.URL.RequestURI())
collection.CollectionLength = collection_length
collection.ReturnedLength = returned_length
collection.CollectionType = collectionType
collection.Items = make([]CollectionItem, 0, returned_length)
iter := query.Iter()
for iter.Next(&item) {
collection.Items = append(collection.Items, CollectionItem{
Link: ctp.NewLink(context.CtpBase, "@/$/$", collectionType, item.Id),
Name: item.Name,
})
}
if err := iter.Close(); err != nil {
ctp.RenderErrorResponse(w, context, ctp.NewInternalServerError(err))
return
}
ctp.RenderJsonResponse(w, context, 200, collection)
}