1Panel/backend/utils/nginx/components/server.go

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package components
import (
"errors"
)
type Server struct {
Comment string
Listens []*ServerListen
Directives []IDirective
Line int
}
func NewServer(directive IDirective) (*Server, error) {
server := &Server{}
if block := directive.GetBlock(); block != nil {
server.Line = directive.GetBlock().GetLine()
server.Comment = block.GetComment()
directives := block.GetDirectives()
for _, dir := range directives {
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switch dir.GetName() {
case "listen":
server.Listens = append(server.Listens, NewServerListen(dir.GetParameters(), dir.GetLine()))
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default:
server.Directives = append(server.Directives, dir)
}
}
return server, nil
}
return nil, errors.New("server directive must have a block")
}
func (s *Server) GetName() string {
return "server"
}
func (s *Server) GetParameters() []string {
return []string{}
}
func (s *Server) GetBlock() IBlock {
return s
}
func (s *Server) GetComment() string {
return s.Comment
}
func (s *Server) GetDirectives() []IDirective {
directives := make([]IDirective, 0)
for _, ls := range s.Listens {
directives = append(directives, ls)
}
directives = append(directives, s.Directives...)
return directives
}
func (s *Server) FindDirectives(directiveName string) []IDirective {
directives := make([]IDirective, 0)
for _, directive := range s.Directives {
if directive.GetName() == directiveName {
directives = append(directives, directive)
}
if directive.GetBlock() != nil {
directives = append(directives, directive.GetBlock().FindDirectives(directiveName)...)
}
}
if directiveName == "listen" {
for _, listen := range s.Listens {
params := []string{listen.Bind}
params = append(params, listen.Parameters...)
if listen.DefaultServer != "" {
params = append(params, DefaultServer)
}
directives = append(directives, &Directive{
Name: "listen",
Parameters: params,
})
}
}
return directives
}
func (s *Server) UpdateDirective(key string, params []string) {
if key == "" || len(params) == 0 {
return
}
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if key == "listen" {
defaultServer := false
paramLen := len(params)
if paramLen > 0 && params[paramLen-1] == "default_server" {
params = params[:paramLen-1]
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defaultServer = true
}
s.UpdateListen(params[0], defaultServer, params[1:]...)
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return
}
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directives := s.Directives
index := -1
for i, dir := range directives {
if dir.GetName() == key {
if IsRepeatKey(key) {
oldParams := dir.GetParameters()
if !(len(oldParams) > 0 && oldParams[0] == params[0]) {
continue
}
}
index = i
break
}
}
newDirective := &Directive{
Name: key,
Parameters: params,
}
if index > -1 {
directives[index] = newDirective
} else {
directives = append(directives, newDirective)
}
s.Directives = directives
}
func (s *Server) RemoveDirective(key string, params []string) {
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directives := s.Directives
var newDirectives []IDirective
for _, dir := range directives {
if dir.GetName() == key {
if len(params) == 0 {
continue
}
oldParams := dir.GetParameters()
if key == "location" {
if len(params) == len(oldParams) {
exist := true
for i := range params {
if params[i] != oldParams[i] {
exist = false
break
}
}
if exist {
continue
}
}
} else {
if oldParams[0] == params[0] {
continue
}
}
}
newDirectives = append(newDirectives, dir)
}
s.Directives = newDirectives
}
func (s *Server) GetLine() int {
return s.Line
}
func (s *Server) AddListen(bind string, defaultServer bool, params ...string) {
listen := &ServerListen{
Bind: bind,
Parameters: params,
}
if defaultServer {
listen.DefaultServer = DefaultServer
}
s.Listens = append(s.Listens, listen)
}
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func (s *Server) UpdateListen(bind string, defaultServer bool, params ...string) {
listen := &ServerListen{
Bind: bind,
Parameters: params,
}
if defaultServer {
listen.DefaultServer = DefaultServer
}
var newListens []*ServerListen
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exist := false
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for _, li := range s.Listens {
if li.Bind == bind {
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exist = true
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newListens = append(newListens, listen)
} else {
newListens = append(newListens, li)
}
}
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if !exist {
newListens = append(newListens, listen)
}
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s.Listens = newListens
}
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func (s *Server) DeleteListen(bind string) {
var newListens []*ServerListen
for _, li := range s.Listens {
if li.Bind != bind {
newListens = append(newListens, li)
}
}
s.Listens = newListens
}
func (s *Server) DeleteServerName(name string) {
var names []string
dirs := s.FindDirectives("server_name")
params := dirs[0].GetParameters()
for _, param := range params {
if param != name {
names = append(names, param)
}
}
s.UpdateServerName(names)
}
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func (s *Server) AddServerName(name string) {
dirs := s.FindDirectives("server_name")
params := dirs[0].GetParameters()
params = append(params, name)
s.UpdateServerName(params)
}
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func (s *Server) UpdateServerName(names []string) {
s.UpdateDirective("server_name", names)
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}
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func (s *Server) UpdateRoot(path string) {
s.UpdateDirective("root", []string{path})
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}
func (s *Server) UpdateRootLocation() {
newDir := Directive{
Name: "location",
Parameters: []string{"/"},
Block: &Block{},
}
block := &Block{}
block.Directives = append(block.Directives, &Directive{
Name: "root",
Parameters: []string{"index.html"},
})
newDir.Block = block
}
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func (s *Server) UpdateRootProxy(proxy []string) {
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newDir := Directive{
Name: "location",
Parameters: []string{"/"},
Block: &Block{},
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}
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block := &Block{}
block.Directives = append(block.Directives, &Directive{
Name: "proxy_pass",
Parameters: proxy,
})
newDir.Block = block
s.UpdateDirectiveBySecondKey("location", "/", newDir)
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}
func (s *Server) UpdatePHPProxy(proxy []string, localPath string) {
newDir := Directive{
Name: "location",
Parameters: []string{"~ [^/]\\.php(/|$)"},
Block: &Block{},
}
block := &Block{}
block.Directives = append(block.Directives, &Directive{
Name: "fastcgi_pass",
Parameters: proxy,
})
block.Directives = append(block.Directives, &Directive{
Name: "include",
Parameters: []string{"fastcgi-php.conf"},
})
block.Directives = append(block.Directives, &Directive{
Name: "include",
Parameters: []string{"fastcgi_params"},
})
if localPath == "" {
block.Directives = append(block.Directives, &Directive{
Name: "fastcgi_param",
Parameters: []string{"SCRIPT_FILENAME", "$document_root$fastcgi_script_name"},
})
} else {
block.Directives = append(block.Directives, &Directive{
Name: "fastcgi_param",
Parameters: []string{"SCRIPT_FILENAME", localPath},
})
}
newDir.Block = block
s.UpdateDirectiveBySecondKey("location", "~ [^/]\\.php(/|$)", newDir)
}
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func (s *Server) UpdateDirectiveBySecondKey(name string, key string, directive Directive) {
directives := s.Directives
index := -1
for i, dir := range directives {
if dir.GetName() == name && dir.GetParameters()[0] == key {
index = i
break
}
}
if index > -1 {
directives[index] = &directive
} else {
directives = append(directives, &directive)
}
s.Directives = directives
}
func (s *Server) RemoveListenByBind(bind string) {
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var listens []*ServerListen
for _, listen := range s.Listens {
if listen.Bind != bind {
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listens = append(listens, listen)
}
}
s.Listens = listens
}
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func (s *Server) AddHTTP2HTTPS() {
newDir := Directive{
Name: "if",
Parameters: []string{"($scheme = http)"},
Block: &Block{},
}
block := &Block{}
block.Directives = append(block.Directives, &Directive{
Name: "return",
Parameters: []string{"301", "https://$host$request_uri"},
})
newDir.Block = block
s.UpdateDirectiveBySecondKey("if", "($scheme", newDir)
}