Backend: Set http client timeouts

Signed-off-by: Michael Mayer <michael@liquidbytes.net>

internal/maps/places/location.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"net/http"
 	"strings"
+	"time"
 
 	gc "github.com/patrickmn/go-cache"
 	"github.com/photoprism/photoprism/pkg/s2"
@@ -23,6 +24,7 @@ type Location struct {
 }
 
 var ReverseLookupURL = "https://places.photoprism.org/v1/location/%s"
+var client = &http.Client{Timeout: 30 * time.Second} // TODO: Change timeout if needed
 
 func NewLocation(id string, lat float64, lng float64, name string, category string, place Place, cached bool) *Location {
 	result := &Location{
@@ -59,13 +61,24 @@ func FindLocation(id string) (result Location, err error) {
 
 	log.Debugf("places: query %s", url)
 
-	r, err := http.Get(url)
+	req, err := http.NewRequest(http.MethodGet, url, nil)
 
 	if err != nil {
 		log.Errorf("places: %s", err.Error())
 		return result, err
 	}
 
+	r, err := client.Do(req)
+
+	if err != nil {
+		log.Errorf("places: %s", err.Error())
+		return result, err
+	} else if r.StatusCode >= 400 {
+		err = fmt.Errorf("places: request failed with status code %d", r.StatusCode)
+		log.Error(err)
+		return result, err
+	}
+
 	err = json.NewDecoder(r.Body).Decode(&result)
 
 	if err != nil {

internal/remote/remote.go

@@ -12,9 +12,10 @@ package remote
 
 import (
 	"net/http"
+	"time"
 )
 
-var client = &http.Client{}
+var client = &http.Client{Timeout: 30 * time.Second} // TODO: Change timeout if needed
 
 const (
 	ServiceWebDAV    = "webdav"

internal/remote/webdav/webdav.go

@@ -12,6 +12,7 @@ import (
 	"io/ioutil"
 	"os"
 	"path"
+	"time"
 
 	"github.com/photoprism/photoprism/internal/event"
 	"github.com/photoprism/photoprism/pkg/fs"
@@ -28,6 +29,8 @@ type Client struct {
 func New(url, user, pass string) Client {
 	clt := gowebdav.NewClient(url, user, pass)
 
+	clt.SetTimeout(10 * time.Minute) // TODO: Change timeout if needed
+
 	result := Client{client: clt}
 
 	return result