baseline: api+gui traffic mode + candidates picker
Snapshot before app-launcher (cgroup/mark) work; ignore binaries/backups.
This commit is contained in:
beckline
184
selective-vpn-api/app/domains_handlers.go
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184
selective-vpn-api/app/domains_handlers.go
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package app
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import (
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"encoding/json"
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"io"
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"io/fs"
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"net/http"
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"os"
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"path/filepath"
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"strings"
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)
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// ---------------------------------------------------------------------
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// domains editor + smartdns wildcards
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// ---------------------------------------------------------------------
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// EN: Domain and SmartDNS configuration endpoints.
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// EN: Provides CRUD-style file access for domain lists, current nft/ipset table dump,
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// EN: and persisted SmartDNS wildcard configuration.
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// RU: Эндпоинты конфигурации доменов и SmartDNS.
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// RU: Предоставляет доступ к файлам списков доменов, дамп текущей таблицы nft/ipset
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// RU: и сохранение конфигурации wildcard-доменов SmartDNS.
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var domainFiles = map[string]string{
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"bases": domainDir + "/bases.txt",
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"meta": domainDir + "/meta-special.txt",
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"subs": domainDir + "/subs.txt",
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"static": staticIPsFile,
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"last-ips-map": lastIPsMapPath,
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"last-ips-map-direct": lastIPsMapDirect,
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"last-ips-map-wildcard": lastIPsMapDyn,
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}
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// ---------------------------------------------------------------------
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// domains table
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// ---------------------------------------------------------------------
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// GET /api/v1/domains/table -> { "lines": [ ... ] }
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func handleDomainsTable(w http.ResponseWriter, r *http.Request) {
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if r.Method != http.MethodGet {
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http.Error(w, "method not allowed", http.StatusMethodNotAllowed)
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return
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}
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stdout, _, _, err := runCommand("ipset", "list", "agvpn4")
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lines := []string{}
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if err == nil {
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for _, l := range strings.Split(stdout, "\n") {
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l = strings.TrimRight(l, "\r")
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if l != "" {
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lines = append(lines, l)
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}
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}
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}
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writeJSON(w, http.StatusOK, map[string]any{"lines": lines})
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}
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// ---------------------------------------------------------------------
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// domains file
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// ---------------------------------------------------------------------
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// GET /api/v1/domains/file?name=bases|meta|subs|static|smartdns|last-ips-map|last-ips-map-direct|last-ips-map-wildcard
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// POST /api/v1/domains/file { "name": "...", "content": "..." }
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func handleDomainsFile(w http.ResponseWriter, r *http.Request) {
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switch r.Method {
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case http.MethodGet:
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name := strings.TrimSpace(r.URL.Query().Get("name"))
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if name == "smartdns" {
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domains, source := loadSmartDNSWildcardDomainsState(nil)
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writeJSON(w, http.StatusOK, map[string]string{
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"content": renderSmartDNSDomainsContent(domains),
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"source": source,
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})
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return
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}
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path, ok := domainFiles[name]
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if !ok {
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http.Error(w, "unknown file name", http.StatusBadRequest)
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return
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}
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source := "file"
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if strings.HasPrefix(name, "last-ips-map") {
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source = "artifact"
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}
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data, err := os.ReadFile(path)
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if err != nil {
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if !os.IsNotExist(err) {
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http.Error(w, "read error", http.StatusInternalServerError)
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return
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}
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switch name {
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case "bases", "meta", "subs":
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// fallback to embedded seed
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embedName := name + ".txt"
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if name == "meta" {
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embedName = "meta-special.txt"
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}
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data, _ = fs.ReadFile(embeddedDomains, "assets/domains/"+embedName)
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source = "embedded"
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default:
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data = []byte{}
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}
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}
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writeJSON(w, http.StatusOK, map[string]string{
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"content": string(data),
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"source": source,
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})
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case http.MethodPost:
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var body struct {
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Name string `json:"name"`
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Content string `json:"content"`
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}
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if r.Body != nil {
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defer r.Body.Close()
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if err := json.NewDecoder(io.LimitReader(r.Body, 1<<20)).Decode(&body); err != nil {
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http.Error(w, "bad json", http.StatusBadRequest)
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return
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}
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}
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if strings.TrimSpace(body.Name) == "smartdns" {
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domains := parseSmartDNSDomainsContent(body.Content)
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if err := saveSmartDNSWildcardDomainsState(domains); err != nil {
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http.Error(w, "write error", http.StatusInternalServerError)
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return
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}
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writeJSON(w, http.StatusOK, map[string]string{"status": "ok"})
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return
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}
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if body.Name == "last-ips-map-direct" || body.Name == "last-ips-map-wildcard" {
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http.Error(w, "read-only file name", http.StatusBadRequest)
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return
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}
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path, ok := domainFiles[strings.TrimSpace(body.Name)]
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if !ok {
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http.Error(w, "unknown file name", http.StatusBadRequest)
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return
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}
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_ = os.MkdirAll(filepath.Dir(path), 0o755)
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if err := os.WriteFile(path, []byte(body.Content), 0o644); err != nil {
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http.Error(w, "write error", http.StatusInternalServerError)
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return
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}
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writeJSON(w, http.StatusOK, map[string]string{"status": "ok"})
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default:
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http.Error(w, "method not allowed", http.StatusMethodNotAllowed)
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}
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}
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// ---------------------------------------------------------------------
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// smartdns wildcards
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// ---------------------------------------------------------------------
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func handleSmartdnsWildcards(w http.ResponseWriter, r *http.Request) {
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switch r.Method {
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case http.MethodGet:
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payload := struct {
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Domains []string `json:"domains"`
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}{Domains: readSmartDNSWildcardDomains()}
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writeJSON(w, http.StatusOK, payload)
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case http.MethodPost:
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var payload struct {
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Domains []string `json:"domains"`
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}
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if r.Body != nil {
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defer r.Body.Close()
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if err := json.NewDecoder(io.LimitReader(r.Body, 1<<20)).Decode(&payload); err != nil {
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http.Error(w, "bad json", http.StatusBadRequest)
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return
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}
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}
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if err := saveSmartDNSWildcardDomainsState(payload.Domains); err != nil {
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http.Error(w, "write error", http.StatusInternalServerError)
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return
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}
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writeJSON(w, http.StatusOK, map[string]string{"status": "ok"})
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default:
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http.Error(w, "method not allowed", http.StatusMethodNotAllowed)
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}
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}
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func readSmartDNSWildcardDomains() []string {
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domains, _ := loadSmartDNSWildcardDomainsState(nil)
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return domains
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}
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