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frontend.go
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frontend.go
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/*
* Copyright (c) 2018. Abstrium SAS <team (at) pydio.com>
* This file is part of Pydio Cells.
*
* Pydio Cells is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Pydio Cells is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Pydio Cells. If not, see <http://www.gnu.org/licenses/>.
*
* The latest code can be found at <https://pydio.com>.
*/
package config
import (
"bytes"
"fmt"
"io/ioutil"
"net/url"
"os"
"path/filepath"
"text/template"
)
// Data passed to the bootstrapConf template
type FrontBootstrapConf struct {
ProxyUrl *url.URL
WebSocketUrl *url.URL
DexID string
DexSecret string
DisableSslVerify string
}
var (
bootstrapTpl = `
{
"core.conf":{
"UNIQUE_INSTANCE_CONFIG":{
"instance_name":"conf.pydio",
"group_switch_value":"conf.pydio"
},
"ENDPOINT_REST_API": "{{.ProxyUrl}}/a",
"ENDPOINT_FRONT_PLUGINS": "{{.ProxyUrl}}/plug",
"ENDPOINT_S3_GATEWAY": "{{.ProxyUrl}}/io",
"ENDPOINT_WEBSOCKET": "{{.WebSocketUrl}}/ws/event",
"ENDPOINT_DEX": "{{.ProxyUrl}}/auth",
"ENDPOINT_DEX_CLIENTID": "{{.DexID}}",
"ENDPOINT_DEX_CLIENTSECRET": "{{.DexSecret}}",
{{if .DisableSslVerify}} "SKIP_SSL_VERIFY":{{.DisableSslVerify}},{{end}}
"FRONTEND_URL":"{{.ProxyUrl}}",
"PUBLIC_BASEURI":"/public"
},
"core.auth":{
"MASTER_INSTANCE_CONFIG":{
"instance_name":"auth.pydio",
"group_switch_value":"auth.pydio"
}
},
"core.cache":{
"UNIQUE_INSTANCE_CONFIG":[]
}
}`
)
// FrontBootstrapFromConfig reads pydio config to generate the associated bootstrap.conf
// for frontend.
func FrontBootstrapFromConfig(proxyUrl string) (*FrontBootstrapConf, error) {
c := &FrontBootstrapConf{}
if proxyUrl == "" {
// load proxyUrl from config
proxyUrl = Get("defaults", "url").String("")
}
if proxyUrl == "" {
return c, fmt.Errorf("cannot find url for bootstrap")
}
var e error
if c.ProxyUrl, e = url.Parse(proxyUrl); e != nil {
return c, e
}
wsUrl := &url.URL{}
if c.ProxyUrl.Scheme == "https" {
wsUrl.Scheme = "wss"
} else {
wsUrl.Scheme = "ws"
}
wsUrl.Host = c.ProxyUrl.Host
c.WebSocketUrl = wsUrl
type DexClient struct {
Id string
Name string
Secret string
RedirectURIs []string
}
var dexClients []*DexClient
if e := Get("services", "pydio.grpc.auth", "dex", "staticClients").Scan(&dexClients); e != nil {
return c, e
}
dexClient := dexClients[0]
c.DexID = dexClient.Id
c.DexSecret = dexClient.Secret
tls := Get("cert", "proxy", "ssl").Bool(false)
if tls {
if self := Get("cert", "proxy", "self").Bool(false); self {
c.DisableSslVerify = "true"
}
}
return c, nil
}
// FrontWriteBootstrap takes a config, executes the template and save to the front
func FrontWriteBootstrap(rootFolder string, conf *FrontBootstrapConf) error {
buf := bytes.NewBuffer([]byte{})
if tmpl, err := template.New("bootstrap").Parse(bootstrapTpl); err != nil {
return err
} else {
if err = tmpl.Execute(buf, conf); err != nil {
return err
}
}
dir := filepath.Join(rootFolder, "data", "plugins", "boot.conf")
if e := os.MkdirAll(dir, 0755); e != nil {
return e
}
if e := os.Chmod(filepath.Join(rootFolder, "data"), 0777); e != nil {
return e
}
if e := os.Chmod(filepath.Join(rootFolder, "data", "plugins"), 0777); e != nil {
return e
}
if e := os.Chmod(dir, 0777); e != nil {
return e
}
//fmt.Println("Writing bootstrap json", string(buf.Bytes()))
jsonFile := filepath.Join(dir, "bootstrap.json")
fmt.Println("Writing file", jsonFile)
if e := ioutil.WriteFile(jsonFile, buf.Bytes(), 0755); e == nil {
os.Chmod(jsonFile, 0777)
} else {
return e
}
return nil
}
// FrontWriteBootstrap clears the frontend caches
func FrontClearCache(rootFolder string) {
// Clear cache
cacheDataDir := filepath.Join(rootFolder, "data", "cache")
os.RemoveAll(cacheDataDir)
os.MkdirAll(cacheDataDir, 0644)
os.Chmod(cacheDataDir, 0777)
}
// FrontWriteBootstrap touches additional files in frontend boot.conf folder to avoid
// triggering an install process in the frontend
func FrontTouchAdditionalFiles(rootFolder string) {
dir := filepath.Join(rootFolder, "data", "plugins", "boot.conf")
if f, e := os.OpenFile(filepath.Join(dir, "admin_counted"), os.O_RDONLY|os.O_CREATE, 0755); e == nil {
f.Close()
}
if f, e := os.OpenFile(filepath.Join(dir, "diag_result.php"), os.O_RDONLY|os.O_CREATE, 0755); e == nil {
f.Close()
}
if f, e := os.OpenFile(filepath.Join(dir, "first_run_passed"), os.O_RDONLY|os.O_CREATE, 0755); e == nil {
f.Close()
}
if f, e := os.OpenFile(filepath.Join(dir, "server_uuid"), os.O_RDONLY|os.O_CREATE, 0755); e == nil {
f.Close()
}
}