| 1 | package config |
| 2 | |
| 3 | import ( |
| 4 | "os" |
| 5 | "path/filepath" |
| 6 | "sort" |
| 7 | "strings" |
| 8 | |
| 9 | "github.com/joho/godotenv" |
| 10 | |
| 11 | fileencoding "reasonix/internal/fileutil/encoding" |
| 12 | ) |
| 13 | |
| 14 | type dotEnvFile struct { |
| 15 | Path string |
| 16 | Values map[string]string |
| 17 | Duplicates []string |
| 18 | } |
| 19 | |
| 20 | // loadDotEnv loads Reasonix's global .env for provider credentials. The |
| 21 | // workspace .env values returned by loadDotEnvForRoot are ignored here because |
| 22 | // loadDotEnv has no Config to carry a workspace-scoped expansion environment. |
| 23 | func loadDotEnv() { |
| 24 | loadDotEnvForRoot(".") |
| 25 | } |
| 26 | |
| 27 | // loadDotEnvForRoot returns workspace .env values for scoped plugin/MCP/proxy |
| 28 | // expansion, then loads Reasonix's global .env for provider credentials. |
| 29 | // Workspace .env values are deliberately not written into the process |
| 30 | // environment, so multiple desktop/ACP workspaces cannot leak tokens into each |
| 31 | // other and project files cannot redirect Reasonix's own config/credential |
| 32 | // paths. |
| 33 | func loadDotEnvForRoot(root string) map[string]string { |
| 34 | projectEnv := loadProjectDotEnvForExpansion(root) |
| 35 | loadCredentialStoreForRoot(root) |
| 36 | return projectEnv |
| 37 | } |
| 38 | |
| 39 | func loadProjectDotEnvForExpansion(root string) map[string]string { |
| 40 | root = resolveRoot(root) |
| 41 | path := ".env" |
| 42 | if root != "." { |
| 43 | path = filepath.Join(root, ".env") |
| 44 | } |
| 45 | if current := UserCredentialsPath(); current != "" && samePath(path, current) { |
| 46 | return nil |
| 47 | } |
| 48 | file, ok := readDotEnvFile(path) |
| 49 | if !ok { |
| 50 | return nil |
| 51 | } |
| 52 | return file.filtered(func(key string) bool { |
| 53 | return !isProjectDotEnvControlKey(key) |
| 54 | }) |
| 55 | } |
| 56 | |
| 57 | func isProjectDotEnvControlKey(key string) bool { |
| 58 | key = strings.TrimSpace(key) |
| 59 | if key == "" { |
| 60 | return true |
| 61 | } |
| 62 | upper := strings.ToUpper(key) |
| 63 | if strings.HasPrefix(upper, "REASONIX_") { |
| 64 | return true |
| 65 | } |
| 66 | switch upper { |
| 67 | case "HOME", "USERPROFILE", "APPDATA", "XDG_CONFIG_HOME", "XDG_CACHE_HOME", "XDG_STATE_HOME": |
| 68 | return true |
| 69 | default: |
| 70 | return false |
| 71 | } |
| 72 | } |
| 73 | |
| 74 | func legacyCredentialsPaths() []string { |
| 75 | current := UserCredentialsPath() |
| 76 | seen := map[string]bool{} |
| 77 | var paths []string |
| 78 | add := func(path string) { |
| 79 | if path == "" { |
| 80 | return |
| 81 | } |
| 82 | path = filepath.Clean(path) |
| 83 | if current != "" && samePath(path, current) { |
| 84 | return |
| 85 | } |
| 86 | if seen[path] { |
| 87 | return |
| 88 | } |
| 89 | seen[path] = true |
| 90 | paths = append(paths, path) |
| 91 | } |
| 92 | if dir := legacyOSSupportDir(); dir != "" { |
| 93 | add(filepath.Join(dir, "credentials")) |
| 94 | } |
| 95 | if dir := userSupportDir(); dir != "" { |
| 96 | add(filepath.Join(dir, "credentials")) |
| 97 | add(filepath.Join(dir, ".env")) |
| 98 | } |
| 99 | for _, cfg := range legacyXDGConfigPaths() { |
| 100 | add(filepath.Join(filepath.Dir(cfg), "credentials")) |
| 101 | } |
| 102 | return paths |
| 103 | } |
| 104 | |
| 105 | func loadDotEnvFileAs(path string, source CredentialSource) { |
| 106 | file, ok := readDotEnvFile(path) |
| 107 | if !ok { |
| 108 | return |
| 109 | } |
| 110 | for key, val := range file.Values { |
| 111 | key = strings.TrimSpace(key) |
| 112 | if key == "" { |
| 113 | continue |
| 114 | } |
| 115 | if _, exists := os.LookupEnv(key); exists && source.Kind != CredentialSourceCredentials { |
| 116 | recordExistingCredentialSource(key) |
| 117 | continue |
| 118 | } |
| 119 | if err := os.Setenv(key, val); err == nil && source.Kind != "" { |
| 120 | source.Path = path |
| 121 | recordCredentialSource(key, val, source) |
| 122 | } |
| 123 | } |
| 124 | } |
| 125 | |
| 126 | func readDotEnvFile(path string) (dotEnvFile, bool) { |
| 127 | raw, err := fileencoding.ReadFileUTF8(path) |
| 128 | if err != nil { |
| 129 | return dotEnvFile{}, false |
| 130 | } |
| 131 | values, err := godotenv.Unmarshal(string(raw)) |
| 132 | if err != nil { |
| 133 | return dotEnvFile{}, false |
| 134 | } |
| 135 | return dotEnvFile{ |
| 136 | Path: path, |
| 137 | Values: values, |
| 138 | Duplicates: detectDotEnvDuplicateKeys(path), |
| 139 | }, true |
| 140 | } |
| 141 | |
| 142 | func (f dotEnvFile) filtered(allow func(string) bool) map[string]string { |
| 143 | out := map[string]string{} |
| 144 | for key, val := range f.Values { |
| 145 | key = strings.TrimSpace(key) |
| 146 | if key == "" || allow != nil && !allow(key) { |
| 147 | continue |
| 148 | } |
| 149 | out[key] = val |
| 150 | } |
| 151 | if len(out) == 0 { |
| 152 | return nil |
| 153 | } |
| 154 | return out |
| 155 | } |
| 156 | |
| 157 | func (f dotEnvFile) warnings() []string { |
| 158 | if len(f.Duplicates) == 0 { |
| 159 | return nil |
| 160 | } |
| 161 | warnings := make([]string, 0, len(f.Duplicates)) |
| 162 | for _, key := range f.Duplicates { |
| 163 | warnings = append(warnings, "duplicate .env key "+key+" in "+f.Path+"; last parsed value wins") |
| 164 | } |
| 165 | return warnings |
| 166 | } |
| 167 | |
| 168 | func detectDotEnvDuplicateKeys(path string) []string { |
| 169 | raw, err := fileencoding.ReadFileUTF8(path) |
| 170 | if err != nil { |
| 171 | return nil |
| 172 | } |
| 173 | seen := map[string]bool{} |
| 174 | dups := map[string]bool{} |
| 175 | for _, line := range strings.Split(strings.ReplaceAll(string(raw), "\r\n", "\n"), "\n") { |
| 176 | values, err := godotenv.Unmarshal(line) |
| 177 | if err != nil { |
| 178 | continue |
| 179 | } |
| 180 | for key := range values { |
| 181 | key = strings.TrimSpace(key) |
| 182 | if key == "" { |
| 183 | continue |
| 184 | } |
| 185 | if seen[key] { |
| 186 | dups[key] = true |
| 187 | } |
| 188 | seen[key] = true |
| 189 | } |
| 190 | } |
| 191 | out := make([]string, 0, len(dups)) |
| 192 | for key := range dups { |
| 193 | out = append(out, key) |
| 194 | } |
| 195 | sort.Strings(out) |
| 196 | return out |
| 197 | } |
| 198 | |
| 199 | func envFileValue(path, wantKey string) (string, bool) { |
| 200 | file, ok := readDotEnvFile(path) |
| 201 | if !ok { |
| 202 | return "", false |
| 203 | } |
| 204 | val, ok := file.Values[wantKey] |
| 205 | return val, ok |
| 206 | } |
| 207 |