| 1 | package vkproxy |
| 2 | |
| 3 | import ( |
| 4 | "archive/zip" |
| 5 | "fmt" |
| 6 | "io" |
| 7 | "os" |
| 8 | "path/filepath" |
| 9 | "regexp" |
| 10 | "strconv" |
| 11 | "strings" |
| 12 | |
| 13 | "sourcecraft.dev/bigbes/claudio/config" |
| 14 | ) |
| 15 | |
| 16 | const ( |
| 17 | zipFileName = "claude-code-config.zip" |
| 18 | shellFileName = "install_claude_aliases.sh" |
| 19 | ) |
| 20 | |
| 21 | // ProxyModel holds a parsed model configuration from the VK LLM Proxy zip. |
| 22 | type ProxyModel struct { |
| 23 | Name string |
| 24 | ProviderName string |
| 25 | BaseURL string |
| 26 | AuthToken string |
| 27 | ModelID string |
| 28 | ContextWindow int |
| 29 | ProxyUser string |
| 30 | CustomHeaders string |
| 31 | } |
| 32 | |
| 33 | // FindZip looks for claude-code-config.zip in standard locations. |
| 34 | func FindZip() string { |
| 35 | var candidates []string |
| 36 | cfgDir := filepath.Dir(config.Path()) |
| 37 | candidates = append(candidates, filepath.Join(cfgDir, zipFileName)) |
| 38 | if cwd, err := os.Getwd(); err == nil { |
| 39 | candidates = append(candidates, filepath.Join(cwd, zipFileName)) |
| 40 | } |
| 41 | if home, err := os.UserHomeDir(); err == nil { |
| 42 | candidates = append(candidates, filepath.Join(home, zipFileName)) |
| 43 | } |
| 44 | for _, p := range candidates { |
| 45 | if _, err := os.Stat(p); err == nil { |
| 46 | return p |
| 47 | } |
| 48 | } |
| 49 | return "" |
| 50 | } |
| 51 | |
| 52 | var ( |
| 53 | commentNameRe = regexp.MustCompile(`name='([^']+)'`) |
| 54 | providerRe = regexp.MustCompile(`provider_name='([^']+)'`) |
| 55 | ctxRe = regexp.MustCompile(`context_window=(\d+)`) |
| 56 | envStrRe = regexp.MustCompile(`^(\w+)="([^"]*)"`) |
| 57 | ) |
| 58 | |
| 59 | // ParseZip reads a zip file, extracts install_claude_aliases.sh, and parses model configs. |
| 60 | func ParseZip(path string) ([]ProxyModel, error) { |
| 61 | r, err := zip.OpenReader(path) |
| 62 | if err != nil { |
| 63 | return nil, fmt.Errorf("opening zip: %w", err) |
| 64 | } |
| 65 | defer r.Close() |
| 66 | |
| 67 | for _, f := range r.File { |
| 68 | if filepath.Base(f.Name) == shellFileName { |
| 69 | rc, err := f.Open() |
| 70 | if err != nil { |
| 71 | return nil, err |
| 72 | } |
| 73 | defer rc.Close() |
| 74 | data, err := io.ReadAll(rc) |
| 75 | if err != nil { |
| 76 | return nil, err |
| 77 | } |
| 78 | return parseScript(string(data)) |
| 79 | } |
| 80 | } |
| 81 | return nil, fmt.Errorf("%s not found in zip", shellFileName) |
| 82 | } |
| 83 | |
| 84 | func parseScript(script string) ([]ProxyModel, error) { |
| 85 | lines := strings.Split(script, "\n") |
| 86 | var models []ProxyModel |
| 87 | |
| 88 | for i := 0; i < len(lines); i++ { |
| 89 | line := strings.TrimSpace(lines[i]) |
| 90 | |
| 91 | if !strings.HasPrefix(line, "# Функция для name=") { |
| 92 | continue |
| 93 | } |
| 94 | |
| 95 | var m ProxyModel |
| 96 | if matches := commentNameRe.FindStringSubmatch(line); len(matches) > 1 { |
| 97 | m.Name = matches[1] |
| 98 | } |
| 99 | if matches := providerRe.FindStringSubmatch(line); len(matches) > 1 { |
| 100 | m.ProviderName = matches[1] |
| 101 | } |
| 102 | if matches := ctxRe.FindStringSubmatch(line); len(matches) > 1 { |
| 103 | if v, err := strconv.Atoi(matches[1]); err == nil { |
| 104 | m.ContextWindow = v |
| 105 | } |
| 106 | } |
| 107 | |
| 108 | // Parse the function body for env vars. |
| 109 | for i++; i < len(lines); i++ { |
| 110 | bodyLine := strings.TrimSpace(lines[i]) |
| 111 | if bodyLine == "}" { |
| 112 | break |
| 113 | } |
| 114 | bodyLine = strings.TrimSuffix(bodyLine, "\\") |
| 115 | bodyLine = strings.TrimSpace(bodyLine) |
| 116 | |
| 117 | if matches := envStrRe.FindStringSubmatch(bodyLine); len(matches) > 2 { |
| 118 | switch matches[1] { |
| 119 | case "ANTHROPIC_BASE_URL": |
| 120 | m.BaseURL = matches[2] |
| 121 | case "ANTHROPIC_AUTH_TOKEN": |
| 122 | m.AuthToken = matches[2] |
| 123 | case "ANTHROPIC_MODEL": |
| 124 | m.ModelID = matches[2] |
| 125 | case "VK_LLM_PROXY_USER": |
| 126 | m.ProxyUser = matches[2] |
| 127 | case "ANTHROPIC_CUSTOM_HEADERS": |
| 128 | m.CustomHeaders = matches[2] |
| 129 | } |
| 130 | } |
| 131 | } |
| 132 | |
| 133 | if m.ModelID != "" { |
| 134 | models = append(models, m) |
| 135 | } |
| 136 | } |
| 137 | |
| 138 | return models, nil |
| 139 | } |
| 140 | |
| 141 | // GroupByProvider groups models by their cleaned provider name, returning |
| 142 | // the provider order and grouped models. |
| 143 | func GroupByProvider(models []ProxyModel) ([]string, map[string][]ProxyModel) { |
| 144 | var order []string |
| 145 | seen := make(map[string]bool) |
| 146 | grouped := make(map[string][]ProxyModel) |
| 147 | |
| 148 | for _, m := range models { |
| 149 | name := CleanProviderName(m.ProviderName) |
| 150 | if !seen[name] { |
| 151 | seen[name] = true |
| 152 | order = append(order, name) |
| 153 | } |
| 154 | grouped[name] = append(grouped[name], m) |
| 155 | } |
| 156 | return order, grouped |
| 157 | } |
| 158 | |
| 159 | // CleanProviderName strips trailing _N suffixes (e.g. "DeepSeek_1" → "DeepSeek"). |
| 160 | func CleanProviderName(raw string) string { |
| 161 | parts := strings.Split(raw, "_") |
| 162 | if len(parts) > 1 { |
| 163 | last := parts[len(parts)-1] |
| 164 | if _, err := strconv.Atoi(last); err == nil { |
| 165 | return strings.Join(parts[:len(parts)-1], "_") |
| 166 | } |
| 167 | } |
| 168 | return raw |
| 169 | } |
| 170 | |