| 1 | package main |
| 2 | |
| 3 | import ( |
| 4 | "fmt" |
| 5 | "os" |
| 6 | |
| 7 | "bufio" |
| 8 | "io" |
| 9 | "io/ioutil" |
| 10 | |
| 11 | "strconv" |
| 12 | "strings" |
| 13 | |
| 14 | "net/http" |
| 15 | "net/url" |
| 16 | |
| 17 | "github.com/wsxiaoys/terminal/color" |
| 18 | ) |
| 19 | |
| 20 | /* holds our palette, or 16 ANSI colors (8 normal colors + bright complements) |
| 21 | and two foreground/background colors. colors are 3 byte arrays (RGB) */ |
| 22 | type ktPalette struct { |
| 23 | black [3]byte |
| 24 | bblack [3]byte |
| 25 | |
| 26 | red [3]byte |
| 27 | bred [3]byte |
| 28 | |
| 29 | green [3]byte |
| 30 | bgreen [3]byte |
| 31 | |
| 32 | yellow [3]byte |
| 33 | byellow [3]byte |
| 34 | |
| 35 | blue [3]byte |
| 36 | bblue [3]byte |
| 37 | |
| 38 | purple [3]byte |
| 39 | bpurple [3]byte |
| 40 | |
| 41 | cyan [3]byte |
| 42 | bcyan [3]byte |
| 43 | |
| 44 | white [3]byte |
| 45 | bwhite [3]byte |
| 46 | |
| 47 | fg [3]byte |
| 48 | bg [3]byte |
| 49 | } |
| 50 | |
| 51 | /* the default "control" ANSI color set (boring) */ |
| 52 | var ansiColors = ktPalette{ |
| 53 | |
| 54 | black: [3]byte{0, 0, 0}, |
| 55 | bblack: [3]byte{128, 128, 128}, |
| 56 | |
| 57 | red: [3]byte{128, 0, 0}, |
| 58 | bred: [3]byte{255, 0, 0}, |
| 59 | |
| 60 | green: [3]byte{0, 128, 0}, |
| 61 | bgreen: [3]byte{0, 255, 0}, |
| 62 | |
| 63 | yellow: [3]byte{128, 128, 0}, |
| 64 | byellow: [3]byte{255, 255, 0}, |
| 65 | |
| 66 | blue: [3]byte{0, 0, 128}, |
| 67 | bblue: [3]byte{0, 0, 255}, |
| 68 | |
| 69 | purple: [3]byte{128, 0, 128}, |
| 70 | bpurple: [3]byte{255, 0, 255}, |
| 71 | |
| 72 | cyan: [3]byte{0, 128, 128}, |
| 73 | bcyan: [3]byte{0, 255, 255}, |
| 74 | |
| 75 | white: [3]byte{128, 128, 128}, |
| 76 | bwhite: [3]byte{255, 255, 255}, |
| 77 | |
| 78 | fg: [3]byte{0, 0, 0}, |
| 79 | bg: [3]byte{255, 255, 255}, |
| 80 | } |
| 81 | |
| 82 | /* lets get our money's worth out of this utf-8 crap */ |
| 83 | var checkM = "✓" |
| 84 | var xM = "✗" |
| 85 | |
| 86 | /* parses a colorfile, returns palette struct. given a nil file pointer, |
| 87 | returns standard ANSI color set (our "control") */ |
| 88 | func parseColors(colorfile *os.File) (pal ktPalette, err error) { |
| 89 | |
| 90 | if colorfile == nil { |
| 91 | return ansiColors, nil |
| 92 | } |
| 93 | |
| 94 | ret := ktPalette{} |
| 95 | var e errConsumer |
| 96 | |
| 97 | scanner := bufio.NewScanner(colorfile) |
| 98 | for scanner.Scan() { |
| 99 | |
| 100 | if strings.Contains(scanner.Text(), "color") && |
| 101 | !strings.Contains(scanner.Text(), "!") { |
| 102 | |
| 103 | /* i am so sorry */ |
| 104 | cur := strings.Replace(scanner.Text(), " ", "", -1) |
| 105 | split := strings.Split(cur, ":") |
| 106 | hexColor := strings.Replace(split[1], "#", "", -1) |
| 107 | coNumStr := strings.Replace(split[0], "URxvt*color", "", -1) |
| 108 | |
| 109 | r, err := strconv.ParseUint(hexColor[0:2], 16, 8) |
| 110 | e.Consume(err) |
| 111 | g, err := strconv.ParseUint(hexColor[2:4], 16, 8) |
| 112 | e.Consume(err) |
| 113 | b, err := strconv.ParseUint(hexColor[4:], 16, 8) |
| 114 | e.Consume(err) |
| 115 | |
| 116 | colorNo, err := strconv.Atoi(coNumStr) |
| 117 | e.Consume(err) |
| 118 | |
| 119 | if e.err != nil { |
| 120 | return ktPalette{}, e.err |
| 121 | } |
| 122 | |
| 123 | switch colorNo { |
| 124 | case 0: |
| 125 | ret.black[0] = byte(r) |
| 126 | ret.black[1] = byte(g) |
| 127 | ret.black[2] = byte(b) |
| 128 | case 1: |
| 129 | ret.red[0] = byte(r) |
| 130 | ret.red[1] = byte(g) |
| 131 | ret.red[2] = byte(b) |
| 132 | case 2: |
| 133 | ret.green[0] = byte(r) |
| 134 | ret.green[1] = byte(g) |
| 135 | ret.green[2] = byte(b) |
| 136 | case 3: |
| 137 | ret.yellow[0] = byte(r) |
| 138 | ret.yellow[1] = byte(g) |
| 139 | ret.yellow[2] = byte(b) |
| 140 | case 4: |
| 141 | ret.blue[0] = byte(r) |
| 142 | ret.blue[1] = byte(g) |
| 143 | ret.blue[2] = byte(b) |
| 144 | case 5: |
| 145 | ret.purple[0] = byte(r) |
| 146 | ret.purple[1] = byte(g) |
| 147 | ret.purple[2] = byte(b) |
| 148 | case 6: |
| 149 | ret.cyan[0] = byte(r) |
| 150 | ret.cyan[1] = byte(g) |
| 151 | ret.cyan[2] = byte(b) |
| 152 | case 7: |
| 153 | ret.white[0] = byte(r) |
| 154 | ret.white[1] = byte(g) |
| 155 | ret.white[2] = byte(b) |
| 156 | case 8: |
| 157 | ret.bblack[0] = byte(r) |
| 158 | ret.bblack[1] = byte(g) |
| 159 | ret.bblack[2] = byte(b) |
| 160 | case 9: |
| 161 | ret.bred[0] = byte(r) |
| 162 | ret.bred[1] = byte(g) |
| 163 | ret.bred[2] = byte(b) |
| 164 | case 10: |
| 165 | ret.bgreen[0] = byte(r) |
| 166 | ret.bgreen[1] = byte(g) |
| 167 | ret.bgreen[2] = byte(b) |
| 168 | case 11: |
| 169 | ret.byellow[0] = byte(r) |
| 170 | ret.byellow[1] = byte(g) |
| 171 | ret.byellow[2] = byte(b) |
| 172 | case 12: |
| 173 | ret.bblue[0] = byte(r) |
| 174 | ret.bblue[1] = byte(g) |
| 175 | ret.bblue[2] = byte(b) |
| 176 | case 13: |
| 177 | ret.bpurple[0] = byte(r) |
| 178 | ret.bpurple[1] = byte(g) |
| 179 | ret.bpurple[2] = byte(b) |
| 180 | case 14: |
| 181 | ret.bcyan[0] = byte(r) |
| 182 | ret.bcyan[1] = byte(g) |
| 183 | ret.bcyan[2] = byte(b) |
| 184 | case 15: |
| 185 | ret.bwhite[0] = byte(r) |
| 186 | ret.bwhite[1] = byte(g) |
| 187 | ret.bwhite[2] = byte(b) |
| 188 | } |
| 189 | |
| 190 | } else if strings.Contains(scanner.Text(), "background") { |
| 191 | |
| 192 | hex := strings.Split(scanner.Text(), "#") |
| 193 | het := hex[1] |
| 194 | |
| 195 | r, err := strconv.ParseUint(het[0:2], 16, 8) |
| 196 | e.Consume(err) |
| 197 | g, err := strconv.ParseUint(het[2:4], 16, 8) |
| 198 | e.Consume(err) |
| 199 | b, err := strconv.ParseUint(het[4:], 16, 8) |
| 200 | e.Consume(err) |
| 201 | |
| 202 | if e.err != nil { |
| 203 | return ktPalette{}, e.err |
| 204 | } |
| 205 | |
| 206 | ret.bg[0] = byte(r) |
| 207 | ret.bg[1] = byte(g) |
| 208 | ret.bg[2] = byte(b) |
| 209 | |
| 210 | } else if strings.Contains(scanner.Text(), "foreground") { |
| 211 | |
| 212 | hex := strings.Split(scanner.Text(), "#") |
| 213 | het := hex[1] |
| 214 | |
| 215 | r, err := strconv.ParseUint(het[0:2], 16, 8) |
| 216 | e.Consume(err) |
| 217 | g, err := strconv.ParseUint(het[2:4], 16, 8) |
| 218 | e.Consume(err) |
| 219 | b, err := strconv.ParseUint(het[4:], 16, 8) |
| 220 | e.Consume(err) |
| 221 | |
| 222 | if e.err != nil { |
| 223 | return ktPalette{}, e.err |
| 224 | } |
| 225 | |
| 226 | ret.fg[0] = byte(r) |
| 227 | ret.fg[1] = byte(g) |
| 228 | ret.fg[2] = byte(b) |
| 229 | } |
| 230 | } |
| 231 | |
| 232 | return ret, e.err |
| 233 | } |
| 234 | |
| 235 | var httpdStatus bool |
| 236 | |
| 237 | func ktInit(dirPrepend string, port int, colorfilePath string) error { |
| 238 | |
| 239 | httpdStatus = false |
| 240 | |
| 241 | color.Print("@yparsing colorfile :: @{|}") |
| 242 | file, err := os.Open(colorfilePath) |
| 243 | if err != nil { |
| 244 | color.Printf("@r[%s]@{|} - bad colorfile path\n", xM) |
| 245 | return fmt.Errorf("%s\n", "bad colorfile path") |
| 246 | } |
| 247 | |
| 248 | pal, err := parseColors(file) |
| 249 | |
| 250 | if err != nil { |
| 251 | color.Printf("@r[%s]@{|} - malformed colorfile [%s]\n", xM, err) |
| 252 | return fmt.Errorf("%s\n", "malformed colorfile") |
| 253 | } |
| 254 | |
| 255 | color.Printf("@g[%s]@{|}\n", checkM) |
| 256 | |
| 257 | if pal == ansiColors { |
| 258 | } |
| 259 | |
| 260 | color.Printf("@yverifying & preprocessing colorsets@{|} :: @y[SKIP]\n") |
| 261 | color.Printf("@ygenerating transpositional colorspace@{|} :: @y[SKIP]\n") |
| 262 | |
| 263 | color.Printf("@ystarting httpd on port @b%d@{|} :: ", port) |
| 264 | http.HandleFunc("/kt/", transposePage) |
| 265 | |
| 266 | var portString string |
| 267 | fmt.Sprintf(portString, ":%d", port) |
| 268 | err = http.ListenAndServe(portString, nil) |
| 269 | if err != nil { |
| 270 | |
| 271 | color.Printf("@r[%s]@{-} - run me as root!\n", xM) |
| 272 | return fmt.Errorf("%s\n", "failed to start httpd") |
| 273 | } |
| 274 | |
| 275 | color.Printf("@g[%s]@{-}\n", checkM) |
| 276 | |
| 277 | return nil |
| 278 | } |
| 279 | |
| 280 | func transposePage(writer http.ResponseWriter, req *http.Request) { |
| 281 | |
| 282 | if !httpdStatus { |
| 283 | |
| 284 | httpdStatus = true |
| 285 | color.Printf("@g[%s]@{|}\n", checkM) |
| 286 | } |
| 287 | |
| 288 | if req.URL.Path == "/kt/" { |
| 289 | writer.Write([]byte("wtf")) |
| 290 | return |
| 291 | } |
| 292 | |
| 293 | fqdn := req.URL.Path[4:] |
| 294 | targetURL := fmt.Sprintf("http://%s", fqdn) |
| 295 | |
| 296 | resp, err := http.Get(targetURL) |
| 297 | |
| 298 | if err != nil || resp.StatusCode != 200 { |
| 299 | |
| 300 | io.WriteString(writer, "failed to get that page! -kt\n") |
| 301 | io.WriteString(writer, targetURL+"\n") |
| 302 | |
| 303 | io.WriteString(writer, resp.Status) |
| 304 | return |
| 305 | } |
| 306 | |
| 307 | conType := resp.Header.Get("Content-Type") |
| 308 | |
| 309 | switch conType[0:strings.Index(conType, ";")] { |
| 310 | |
| 311 | case "text/html": |
| 312 | writer.Write(transposeHTML(bufio.NewScanner(resp.Body), fqdn)) |
| 313 | |
| 314 | case "text/css": |
| 315 | writer.Write(transposeCSS(bufio.NewScanner(resp.Body), fqdn)) |
| 316 | |
| 317 | default: |
| 318 | page, _ := ioutil.ReadAll(resp.Body) |
| 319 | writer.Write(page) |
| 320 | } |
| 321 | |
| 322 | resp.Body.Close() |
| 323 | } |
| 324 | |
| 325 | /* swap href="" & src="" */ |
| 326 | func transposeHTML(scan *bufio.Scanner, fqdn string) []byte { |
| 327 | |
| 328 | var ret []byte |
| 329 | var i int |
| 330 | |
| 331 | scan.Split(bufio.ScanWords) |
| 332 | for scan.Scan() { |
| 333 | |
| 334 | i++ |
| 335 | cur := scan.Text() |
| 336 | |
| 337 | //fmt.Printf("%s\n", cur) |
| 338 | |
| 339 | if len(cur) < 7 { |
| 340 | |
| 341 | } else if cur[0:6] == "href=\\" { |
| 342 | |
| 343 | urlStr := cur[7 : strings.Index(cur[7:], "\\")+7] |
| 344 | |
| 345 | u, err := url.Parse(urlStr) |
| 346 | if err != nil { |
| 347 | fmt.Printf("malformed URL: %s\n", urlStr) |
| 348 | } |
| 349 | |
| 350 | if u.Host == "" { |
| 351 | |
| 352 | u.Host = fmt.Sprintf("localhost/kt/%s", fqdn) |
| 353 | // cur = append(cur[0:6], |
| 354 | } |
| 355 | |
| 356 | fmt.Printf("[F] URL: %s // PATH: %s\n", u.Host, u.Path) |
| 357 | if u == u { |
| 358 | } |
| 359 | |
| 360 | } else if cur[0:5] == "href=" { |
| 361 | |
| 362 | urlStr := cur[6 : strings.Index(cur[6:], "\"")+6] |
| 363 | |
| 364 | u, err := url.Parse(urlStr) |
| 365 | if err != nil { |
| 366 | fmt.Printf("malformed URL: %s\n", urlStr) |
| 367 | } |
| 368 | |
| 369 | if u == u { |
| 370 | } |
| 371 | fmt.Printf("URL: %s // PATH: %s\n", u.Host, u.Path) |
| 372 | |
| 373 | } else if cur[0:5] == "src=\"" { |
| 374 | |
| 375 | //fmt.Printf("%s\n", cur) |
| 376 | urlStr := cur[5 : strings.Index(cur[5:], "\"")+5] |
| 377 | |
| 378 | u, err := url.Parse(urlStr) |
| 379 | if err != nil { |
| 380 | fmt.Printf("malformed URL: %s\n", urlStr) |
| 381 | } |
| 382 | |
| 383 | if u.Host == "" { |
| 384 | |
| 385 | u.Host = fmt.Sprintf("localhost/kt/%s", fqdn) |
| 386 | // cur = append(cur[0:6], |
| 387 | |
| 388 | fmt.Printf("[S] URL: %s // PATH: %s\n", u.Host, u.Path) |
| 389 | if u == u { |
| 390 | } |
| 391 | } |
| 392 | |
| 393 | } |
| 394 | |
| 395 | ret = append(ret, byte(' ')) |
| 396 | ret = append(ret, cur...) |
| 397 | } |
| 398 | |
| 399 | fmt.Printf("%d\n", i) |
| 400 | |
| 401 | return ret |
| 402 | } |
| 403 | |
| 404 | func transposeCSS(scan *bufio.Scanner, fqdn string) []byte { |
| 405 | |
| 406 | var ret []byte |
| 407 | |
| 408 | return ret |
| 409 | } |
| 410 | |
| 411 | func main() { |
| 412 | |
| 413 | err := ktInit("kolors", 999, "/home/kremlin/.Xresources") |
| 414 | |
| 415 | if err != nil { |
| 416 | } |
| 417 | } |
| 418 | |
| 419 | type errConsumer struct { |
| 420 | err error |
| 421 | } |
| 422 | |
| 423 | func (e *errConsumer) Consume(err error) { |
| 424 | if e.err == nil && err != nil { |
| 425 | e.err = err |
| 426 | } |
| 427 | } |