allow exec and files access for AppAPI for ExApps containers (#41)

Signed-off-by: Oleksander Piskun <oleksandr2088@icloud.com>

haproxy.cfg.template

@@ -50,7 +50,12 @@ frontend docker_engine
     http-request allow if { path,url_dec -m reg -i ^(/v[\d\.]+)?/containers/nc_app_[a-zA-Z0-9_.-]+/((start)|(stop)) } METH_POST
     # container rm: DELETE containers/%s
     http-request allow if { path,url_dec -m reg -i ^(/v[\d\.]+)?/containers/nc_app_[a-zA-Z0-9_.-]+ } METH_DELETE
-
+    # container update/exec: POST containers/%s/update containers/%s/exec
+    http-request allow if { path,url_dec -m reg -i ^(/v[\d\.]+)?/containers/nc_app_[a-zA-Z0-9_.-]+/((update)|(exec)) } METH_POST
+    # container put: PUT containers/%s/archive
+    http-request allow if { path,url_dec -m reg -i ^(/v[\d\.]+)?/containers/nc_app_[a-zA-Z0-9_.-]+/archive } METH_PUT
+    # run exec instance: POST exec/%s
+    http-request allow if { path,url_dec -m reg -i ^(/v[\d\.]+)?/exec/[a-zA-Z0-9_.-]+/start } METH_POST
 
     # container create: POST containers/create?name=%s
     # ACL to restrict container name to nc_app_[a-zA-Z0-9_.-]+