MailHog/vendor/github.com/mailhog/MailHog-Server/api/v2.go
2017-04-17 00:42:21 +01:00

258 lines
6.3 KiB
Go

package api
import (
"encoding/json"
"net/http"
"strconv"
"github.com/gorilla/pat"
"github.com/ian-kent/go-log/log"
"github.com/mailhog/MailHog-Server/config"
"github.com/mailhog/MailHog-Server/monkey"
"github.com/mailhog/MailHog-Server/websockets"
"github.com/mailhog/data"
)
// APIv2 implements version 2 of the MailHog API
//
// It is currently experimental and may change in future releases.
// Use APIv1 for guaranteed compatibility.
type APIv2 struct {
config *config.Config
messageChan chan *data.Message
wsHub *websockets.Hub
}
func createAPIv2(conf *config.Config, r *pat.Router) *APIv2 {
log.Println("Creating API v2 with WebPath: " + conf.WebPath)
apiv2 := &APIv2{
config: conf,
messageChan: make(chan *data.Message),
wsHub: websockets.NewHub(),
}
r.Path(conf.WebPath + "/api/v2/messages").Methods("GET").HandlerFunc(apiv2.messages)
r.Path(conf.WebPath + "/api/v2/messages").Methods("OPTIONS").HandlerFunc(apiv2.defaultOptions)
r.Path(conf.WebPath + "/api/v2/search").Methods("GET").HandlerFunc(apiv2.search)
r.Path(conf.WebPath + "/api/v2/search").Methods("OPTIONS").HandlerFunc(apiv2.defaultOptions)
r.Path(conf.WebPath + "/api/v2/jim").Methods("GET").HandlerFunc(apiv2.jim)
r.Path(conf.WebPath + "/api/v2/jim").Methods("POST").HandlerFunc(apiv2.createJim)
r.Path(conf.WebPath + "/api/v2/jim").Methods("PUT").HandlerFunc(apiv2.updateJim)
r.Path(conf.WebPath + "/api/v2/jim").Methods("DELETE").HandlerFunc(apiv2.deleteJim)
r.Path(conf.WebPath + "/api/v2/jim").Methods("OPTIONS").HandlerFunc(apiv2.defaultOptions)
r.Path(conf.WebPath + "/api/v2/outgoing-smtp").Methods("GET").HandlerFunc(apiv2.listOutgoingSMTP)
r.Path(conf.WebPath + "/api/v2/outgoing-smtp").Methods("OPTIONS").HandlerFunc(apiv2.defaultOptions)
r.Path(conf.WebPath + "/api/v2/websocket").Methods("GET").HandlerFunc(apiv2.websocket)
go func() {
for {
select {
case msg := <-apiv2.messageChan:
log.Println("Got message in APIv2 websocket channel")
apiv2.broadcast(msg)
}
}
}()
return apiv2
}
func (apiv2 *APIv2) defaultOptions(w http.ResponseWriter, req *http.Request) {
if len(apiv2.config.CORSOrigin) > 0 {
w.Header().Add("Access-Control-Allow-Origin", apiv2.config.CORSOrigin)
w.Header().Add("Access-Control-Allow-Methods", "OPTIONS,GET,PUT,POST,DELETE")
w.Header().Add("Access-Control-Allow-Headers", "Content-Type")
}
}
type messagesResult struct {
Total int `json:"total"`
Count int `json:"count"`
Start int `json:"start"`
Items []data.Message `json:"items"`
}
func (apiv2 *APIv2) getStartLimit(w http.ResponseWriter, req *http.Request) (start, limit int) {
start = 0
limit = 50
s := req.URL.Query().Get("start")
if n, e := strconv.ParseInt(s, 10, 64); e == nil && n > 0 {
start = int(n)
}
l := req.URL.Query().Get("limit")
if n, e := strconv.ParseInt(l, 10, 64); e == nil && n > 0 {
if n > 250 {
n = 250
}
limit = int(n)
}
return
}
func (apiv2 *APIv2) messages(w http.ResponseWriter, req *http.Request) {
log.Println("[APIv2] GET /api/v2/messages")
apiv2.defaultOptions(w, req)
start, limit := apiv2.getStartLimit(w, req)
var res messagesResult
messages, err := apiv2.config.Storage.List(start, limit)
if err != nil {
panic(err)
}
res.Count = len([]data.Message(*messages))
res.Start = start
res.Items = []data.Message(*messages)
res.Total = apiv2.config.Storage.Count()
bytes, _ := json.Marshal(res)
w.Header().Add("Content-Type", "text/json")
w.Write(bytes)
}
func (apiv2 *APIv2) search(w http.ResponseWriter, req *http.Request) {
log.Println("[APIv2] GET /api/v2/search")
apiv2.defaultOptions(w, req)
start, limit := apiv2.getStartLimit(w, req)
kind := req.URL.Query().Get("kind")
if kind != "from" && kind != "to" && kind != "containing" {
w.WriteHeader(400)
return
}
query := req.URL.Query().Get("query")
if len(query) == 0 {
w.WriteHeader(400)
return
}
var res messagesResult
messages, total, _ := apiv2.config.Storage.Search(kind, query, start, limit)
res.Count = len([]data.Message(*messages))
res.Start = start
res.Items = []data.Message(*messages)
res.Total = total
b, _ := json.Marshal(res)
w.Header().Add("Content-Type", "application/json")
w.Write(b)
}
func (apiv2 *APIv2) jim(w http.ResponseWriter, req *http.Request) {
log.Println("[APIv2] GET /api/v2/jim")
apiv2.defaultOptions(w, req)
if apiv2.config.Monkey == nil {
w.WriteHeader(404)
return
}
b, _ := json.Marshal(apiv2.config.Monkey)
w.Header().Add("Content-Type", "application/json")
w.Write(b)
}
func (apiv2 *APIv2) deleteJim(w http.ResponseWriter, req *http.Request) {
log.Println("[APIv2] DELETE /api/v2/jim")
apiv2.defaultOptions(w, req)
if apiv2.config.Monkey == nil {
w.WriteHeader(404)
return
}
apiv2.config.Monkey = nil
}
func (apiv2 *APIv2) createJim(w http.ResponseWriter, req *http.Request) {
log.Println("[APIv2] POST /api/v2/jim")
apiv2.defaultOptions(w, req)
if apiv2.config.Monkey != nil {
w.WriteHeader(400)
return
}
apiv2.config.Monkey = config.Jim
// Try, but ignore errors
// Could be better (e.g., ok if no json, error if badly formed json)
// but this works for now
apiv2.newJimFromBody(w, req)
w.WriteHeader(201)
}
func (apiv2 *APIv2) newJimFromBody(w http.ResponseWriter, req *http.Request) error {
var jim monkey.Jim
dec := json.NewDecoder(req.Body)
err := dec.Decode(&jim)
if err != nil {
return err
}
jim.ConfigureFrom(config.Jim)
config.Jim = &jim
apiv2.config.Monkey = &jim
return nil
}
func (apiv2 *APIv2) updateJim(w http.ResponseWriter, req *http.Request) {
log.Println("[APIv2] PUT /api/v2/jim")
apiv2.defaultOptions(w, req)
if apiv2.config.Monkey == nil {
w.WriteHeader(404)
return
}
err := apiv2.newJimFromBody(w, req)
if err != nil {
w.WriteHeader(400)
}
}
func (apiv2 *APIv2) listOutgoingSMTP(w http.ResponseWriter, req *http.Request) {
log.Println("[APIv2] GET /api/v2/outgoing-smtp")
apiv2.defaultOptions(w, req)
b, _ := json.Marshal(apiv2.config.OutgoingSMTP)
w.Header().Add("Content-Type", "application/json")
w.Write(b)
}
func (apiv2 *APIv2) websocket(w http.ResponseWriter, req *http.Request) {
log.Println("[APIv2] GET /api/v2/websocket")
apiv2.wsHub.Serve(w, req)
}
func (apiv2 *APIv2) broadcast(msg *data.Message) {
log.Println("[APIv2] BROADCAST /api/v2/websocket")
apiv2.wsHub.Broadcast(msg)
}