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1
state1 = "Actions: [Download] Run  Cancel"
2
state2 = "Actions:  Download [Run] Cancel"
3
state3 = "Actions:  Download  Run [Cancel]"
4
welcome1 = "[Previous] Enter URL  Server List  Exit"
5
welcome2 = " Previous [Enter URL] Server List  Exit"
6
welcome3 = " Previous  Enter URL [Server List] Exit"
7
welcome4 = " Previous  Enter URL  Server List [Exit]"
8
remove1 = "Remove server? [Yes] No"
9
remove2 = "Remove server?  Yes [No]"
10
local items = {}
11
local types = {}
12
local href = {}
13
local selection = nil
14
local title = nil
15
local url = nil
16
local scroll = nil
17
local home = nil
18
local start = nil
19
20
function welcomeSelect(wSel)

21
	if wSel == 1 then

22
		term.setCursorPos(5, 8)

23
		term.clearLine()

24
		write(welcome1)

25
		event, key = os.pullEvent("key")

26
		if key == 205 then

27
			return welcomeSelect(2)

28
		elseif key == 28 then

29
			return 1

30
		else

31
			return welcomeSelect(1)

32
		end

33
	elseif wSel == 2 then

34
		term.setCursorPos(5, 8)

35
		term.clearLine()

36
		write(welcome2)

37
		event, key = os.pullEvent("key")

38
		if key == 203 then

39
			return welcomeSelect(1)

40
		elseif key == 205 then

41
			return welcomeSelect(3)

42
		elseif key == 28 then

43
			return 2

44
		else

45
			return welcomeSelect(2)

46
		end

47
	elseif wSel == 3 then

48
		term.setCursorPos(5, 8)

49
		term.clearLine()

50
		write(welcome3)

51
		event, key = os.pullEvent("key")

52
		if key == 203 then

53
			return welcomeSelect(2)

54
		elseif key == 205 then

55
			return welcomeSelect(4)

56
		elseif key == 28 then

57
			return 3

58
		else

59
			return welcomeSelect(3)

60
		end

61
	elseif wSel == 4 then

62
		term.setCursorPos(5, 8)

63
		term.clearLine()

64
		write(welcome4)

65
		event, key = os.pullEvent("key")

66
		if key == 203 then

67
			return welcomeSelect(3)

68
		elseif key == 28 then

69
			return 4

70
		else

71
			return welcomeSelect(4)

72
		end

73
	end

74
end

75
76
77
78
function debug(msg)

79
	term.setCursorPos(1,1)

80
	term.clearLine()

81
	write(msg)

82
	sleep(2)

83
end

84
85
local function contains(string, pattern)

86
	local a = string.find(string, pattern)

87
	if a ~= nil then

88
		return true

89
	else

90
		return false

91
	end

92
end

93
94
local function downloadrun(side)

95
term.setCursorPos(1, 1)

96
term.clearLine()

97
if side == "state1" then

98
	write(state1)

99
	event, key = os.pullEvent("key")

100
	if key == 205 then

101
		return downloadrun("state2")

102
	elseif key == 28 then

103
		return "download"

104
	else

105
		return downloadrun("state1")

106
	end

107
elseif side == "state2" then

108
	write(state2)

109
	event, key = os.pullEvent("key")

110
	if key == 203 then

111
		return downloadrun("state1")

112
	elseif key == 205 then

113
		return downloadrun("state3")

114
	elseif key == 28 then

115
		return "run"

116
	else

117
		return downloadrun("state2")

118
	end

119
elseif side == "state3" then

120
	write(state3)

121
	event, key = os.pullEvent("key")

122
	if key == 203 then

123
		return downloadrun("state2")

124
	elseif key == 28 then

125
		return "cancel"

126
	else

127
		return downloadrun("state3")

128
	end

129
end

130
end

131
132
local function drawGUI(items, scroll, selection, title, types)

133
	while true do

134
		term.clear()

135
		term.setCursorPos(1,1)

136
		write(title)

137
		term.setCursorPos(1,2)

138
		write("=================================================")

139
		for i = 1+scroll, #types do

140
			term.setCursorPos(45, (i+2)-scroll)

141
			write(types[i])

142
		end

143
		for d = 1+scroll, #items do

144
			term.setCursorPos(3, (d+2)-scroll)

145
			write(items[d])

146
		end

147
		local length = string.len(items[selection])

148
		term.setCursorPos(2, (selection+2)-scroll)

149
		term.write("[")

150
		term.setCursorPos(3+length, (selection+2)-scroll)

151
		term.write("]")

152
event, key = os.pullEvent("key")

153
if key == 208 then

154
term.setCursorPos(2, (selection+2)-scroll)

155
term.write(" ")

156
term.setCursorPos(3+length, (selection+2)-scroll)

157
term.write(" ")

158
	if selection == #items then

159
	elseif selection == scroll+16 then

160
		selection = selection+1

161
		scroll = scroll+1

162
	else

163
		selection = selection+1

164
	end

165
elseif key == 200 then

166
term.setCursorPos(2, (selection+2)-scroll)

167
term.write(" ")

168
term.setCursorPos(3+length, (selection+2)-scroll)

169
term.write(" ")

170
	if selection == 1 then

171
	elseif selection == scroll+1 then

172
		selection = selection-1

173
		scroll = scroll-1

174
	else

175
		selection = selection-1

176
	end

177
elseif key == 28 then	

178
	return(items[selection])

179
elseif key == 16 then

180
	sleep(0.2)

181
	return("Press Q to Exit")

182
else

183
end

184
end

185
end

186
187
local function serverDrawGUI(items, scroll, selection, title)

188
	while true do

189
		term.clear()

190
		term.setCursorPos(1,1)

191
		write(title)

192
		term.setCursorPos(1,2)

193
		write("=================================================")

194
		for d = 1+scroll, #items do

195
			term.setCursorPos(3, (d+2)-scroll)

196
			write(items[d])

197
		end

198
		local length = string.len(items[selection])

199
		term.setCursorPos(2, (selection+2)-scroll)

200
		term.write("[")

201
		term.setCursorPos(3+length, (selection+2)-scroll)

202
		term.write("]")

203
event, key = os.pullEvent("key")

204
if key == 208 then

205
term.setCursorPos(2, (selection+2)-scroll)

206
term.write(" ")

207
term.setCursorPos(3+length, (selection+2)-scroll)

208
term.write(" ")

209
	if selection == #items then

210
	elseif selection == scroll+16 then

211
		selection = selection+1

212
		scroll = scroll+1

213
	else

214
		selection = selection+1

215
	end

216
elseif key == 200 then

217
term.setCursorPos(2, (selection+2)-scroll)

218
term.write(" ")

219
term.setCursorPos(3+length, (selection+2)-scroll)

220
term.write(" ")

221
	if selection == 1 then

222
	elseif selection == scroll+1 then

223
		selection = selection-1

224
		scroll = scroll-1

225
	else

226
		selection = selection-1

227
	end

228
elseif key == 28 then	

229
	return(items[selection])

230
elseif key == 16 then

231
	sleep(0.2)

232
	return("exit")

233
elseif key == 19 and selection ~= #items then

234
	return "remove", selection

235
end

236
end

237
end

238
239
local function process()

240
	local f= io.open("/.tmpdata", "r")

241
	f:read("*l")

242
	f:read("*l")

243
	f:read("*l")

244
	f:read("*l")

245
	f:read("*l")

246
	f:read("*l")

247
	local data = f:read("*l")

248
	if data == nil then

249
	term.setCursorPos(1,1)

250
	term.clearLine()

251
	print("Not an Apache File Server! [Ok]")

252
	os.pullEvent("key")

253
	return "error"

254
	end

255
	local titlestart = nil

256
	local derp = nil

257
	if string.find(data, "<h1>") == nil then

258
	term.setCursorPos(1,1)

259
	term.clearLine()

260
	print("Not an Apache File Server! [Ok]")

261
	os.pullEvent("key")

262
	return "error"

263
	end

264
	titlestart = (string.find(data, "<h1>")+4)

265
	local titleend = (string.find(data, "</h1>")-1)

266
	title = string.sub(data, titlestart, titleend)

267
	items = {}

268
	types = {}

269
	href = {}

270
	local line = f:read("*l")

271
	apachev = 1

272
	if contains(line, "<table><tr><th>") then

273
		apachev = 2

274
		line = f:read("*l")

275
	end

276
	while contains(line, "<li>") or contains(line, "</td><td>") do

277
		rStart = (string.find(line, "<a href=")-4)

278
		lStart = string.find(line, "\"> ", rStart)

279
		if apachev == 2 then

280
			lStart = (string.find(line, "\">", rStart) + 2)

281
		else

282
			lStart = (string.find(line, "\"> ", rStart)+3)

283
		end

284
		lEnd = (string.find(line, "</a>", rStart) - 1)

285
		lData = string.sub(line, lStart, lEnd)

286
		table.insert(items, lData)

287
		hStart = (string.find(line, "<a href=\"", rStart) + 9)

288
		hEnd = (string.find(line, "\">", rStart) - 1)

289
		hData = string.sub(line, hStart, hEnd)

290
		table.insert(href, hData)

291
		if contains(lData, "Parent Directory") then

292
			lPStart = (string.find(line, "<a href=\"", rStart) + 9)

293
			lPEnd = (string.find(line, "\">", rStart) - 1)

294
			lPData = string.sub(line, lPStart, lPEnd)

295
			table.insert(types, "back")

296
			elseif contains(lData, "/") then

297
				table.insert(types, "dir")

298
			else

299
				table.insert(types, "file")

300
			end

301
			line = f:read("*l")

302
		end

303
		return title, items, types

304
	end

305
306
local function isFile(filename, items, types)

307
	for i = 1, #items do

308
		if filename == items[i] and types[i] == "file" then

309
			return true

310
		end

311
	end

312
	return false

313
end

314
315
local function gethref(ref)

316
	for i = 1, #items do

317
		if items[i] == ref then

318
			return href[i]

319
		end

320
	end

321
end

322
323
324
local function loadPage(url)

325
	term.setCursorBlink(false)

326
	term.setCursorPos(1, 1)

327
	term.clearLine()

328
	write("Connecting...")

329
	http.request(url)

330
	while true do

331
	event, a, code = os.pullEvent()

332
	if event == "http_failure" then 

333
	term.setCursorPos(1,1)

334
	term.clearLine()

335
	print("Connection failed! [Ok]")

336
		os.pullEvent("key")

337
		return "error"

338
	elseif event == "http_success" then

339
	break

340
	elseif event == "key" and a == 16 then

341
	return "error"

342
	end

343
	end

344
	if code == nil then

345
		term.setCursorPos(1, 1)

346
		term.clearLine()

347
		print("Page not found! [Ok]")

348
		os.pullEvent("key")

349
		return "error"

350
	end

351
	f = io.open("/.tmpdata", "w")

352
	f:write(code:readAll())

353
	f:close()

354
	code:close()

355
	title, items, types = process()

356
	if title == "error" then

357
	return "error"

358
	end

359
	newpage = drawGUI(items, 0, 1, title, types)

360
	if isFile(newpage, items, types) then

361
		npage = gethref(newpage)

362
		dr = downloadrun("state1")

363
		if dr == "download" then

364
			term.setCursorPos(1, 1)

365
			term.clearLine()

366
			write("Download as: ")

367
			saveas = read()

368
			if contains(saveas, " ") or saveas == "" then

369
				return(url)

370
			else

371
				if contains(saveas, "/") then

372
					local reverse = string.reverse(saveas)

373
					local fDir = (string.len(saveas) - string.find(reverse, "/"))

374
					local cDir = string.sub(saveas, 1, fDir)

375
					if fs.exists(cDir) then

376
						local tmpF = http.get(url .. npage)

377
						local code = tmpF:readAll()

378
						tmpF:close()

379
						f = io.open(saveas , "w")

380
						f:write(code)

381
						f:close()

382
						return(url)

383
					else

384
						term.setCursorPos(1,1)

385
						term.clearLine()

386
						write("Directory does not exist! Press any key...")

387
						os.pullEvent("key")

388
						return(url)

389
					end

390
				end

391
				local tmpF = http.get(url .. npage)

392
				local code = tmpF:readAll()

393
				tmpF:close()

394
				f = io.open(saveas , "w")

395
				f:write(code)

396
				f:close()

397
				return(url)

398
			end

399
			elseif dr == "run" then

400
				local tmpF = http.get(url .. npage)

401
				local code = tmpF:readAll()

402
				tmpF:close()

403
				f = io.open("/.tmprun" , "w")

404
				f:write(code)

405
				f:close()

406
				term.clear()

407
				term.setCursorPos(1, 1)

408
				shell.run("/.tmprun")

409
				x, y = term.getCursorPos()

410
				if x > 6 then

411
					if y == 18 then

412
						term.setCursorPos(1, y)

413
						term.clearLine()

414
					else

415
						term.setCursorPos(1, y+1)

416
					end

417
				end

418
				print("Program ended. Press any key to continue")

419
				os.pullEvent("key")

420
				return(url)

421
			else

422
				return url

423
			end

424
		else

425
			if newpage == "Parent Directory" then

426
				return(start .. lPData)

427
				elseif newpage == "Press Q to Exit" then

428
					return("exitcode")

429
				else

430
					npage = gethref(newpage)

431
					return(url .. npage)

432
				end

433
			end

434
		end

435
436
437
function main()

438
	start = string.sub(home, 1, string.len(home)-1)

439
	f = io.open("/.previous", "w")

440
	f:write(home)

441
	f:close()

442
	rhome = home

443
	hTest = string.gsub(home, "http://", "")

444
	a, b = string.find(hTest, "/")

445
	if b ~= nil then home = string.sub(home, 1, a+7)

446
	start = string.sub(home, 1, string.len(home)-1)

447
	end

448
	finish = loadPage(rhome)

449
	if finish == "error" then

450
		return "error"

451
	end

452
	while true do

453
		if finish == "exitcode" then

454
			term.clear()

455
			welcome()

456
			break

457
		end

458
		finish = loadPage(finish)

459
if finish == "error" then

460
		return "error"

461
	end

462
	end

463
end

464
465
function removeSel(rSel)

466
if rSel == 1 then

467
	term.setCursorPos(1,1)

468
	term.clearLine()

469
	write(remove1)

470
	event, key = os.pullEvent("key")

471
	if key == 205 then

472
		return removeSel(2)

473
	elseif key == 28 then

474
		return true

475
	else

476
		return removeSel(1)

477
	end

478
elseif rSel == 2 then

479
	term.setCursorPos(1,1)

480
	term.clearLine()

481
	write(remove2)

482
	event, key = os.pullEvent("key")

483
	if key == 203 then

484
		return removeSel(1)

485
	elseif key == 28 then

486
		return false

487
	else

488
		return removeSel(2)

489
	end

490
end

491
end

492
493
function saveList(fsList)

494
f = io.open("/.serverlist", "w")

495
toWrite = textutils.serialize(fsList)

496
f:write(toWrite)

497
f:close()

498
end

499
500
function serverList()

501
if not fs.exists("/.serverlist") then

502
f = io.open("/.serverlist", "w")

503
serTable = textutils.serialize({"Add new server"})

504
serverNew = true

505
f:write(serTable)

506
f:close()

507
end

508
f = io.open("/.serverlist", "r")

509-
serStart = f:read("*l")

509+
serStart = f:read("*a")

510
f:close()

511
serList = textutils.unserialize(serStart)

512
if type(serList) == "table" then

513
local toRemove = nil

514
serReturn, toRemove = serverDrawGUI(serList, 0, 1, "Server List")

515
if serReturn == "Add new server" then

516
	term.setCursorPos(1, 1)

517
	write("Add: http://")

518
	local newAddress = read()

519
	start = ("http://" .. newAddress)

520
	if string.sub(string.len(start), string.len(start)) == "/" then

521
		home = start

522
	else

523
		home = (start .. "/")

524
	end

525
	table.insert(serList, 1, home)

526
	saveList(serList)

527
	return serverList()

528
elseif serReturn == "remove" then

529
	rRemove = removeSel(1)

530
	if rRemove then table.remove(serList, toRemove)

531
	saveList(serList)

532
	end

533
	return serverList()

534
elseif serReturn == "exit" then

535
term.clear()

536
welcome()

537
else

538
	home = serReturn

539
	if main() == "error" then

540
	return "error"

541
	end

542
		

543
end

544
else

545
term.setCursorPos(1, 1)

546
term.clearLine()

547
print("Server list is corrupted! [Ok]")

548
os.pullEvent("key")

549
return "error"

550
end

551
end

552
553
function welcome()

554
term.clear()

555
term.setCursorPos(1, 1)

556
print("Welcome!")

557
print("=================================================")

558
print("Use the arrow keys to navigate")

559
print("Press enter to download/run files or open folders")

560
print("Press \"Q\" to exit the browser")

561
print("Press \"R\" to remove servers in the server list")

562
print(" ")

563
welRe = welcomeSelect(1)

564
if welRe == 1 then

565
	if not fs.exists("/.previous") then

566
	f = io.open("/.previous", "w")

567
	f:write("http://previous")

568
	f:close()

569
	end

570
	f = io.open("/.previous", "r")

571
	home = f:read("*l")

572
	f:close()

573
	if main() == "error" then return 

574
welcome() end

575
elseif welRe == 2 then

576
	term.setCursorPos(1, 8)

577
	term.clearLine()

578
	print("Server Address:")

579
write("http://")

580
local address = read()

581
start = ("http://" .. address)

582
if string.sub(string.len(start), string.len(start)) == "/" then

583
	home = start

584
else

585
	home = (start .. "/")

586
end

587
f = io.open("/.previous", "w")

588
f:write(home)

589
f:close()

590
if main() == "error" then return welcome() end

591
elseif welRe == 3 then

592
if serverList() == "error" then return welcome() end

593
else

594
	term.clear()

595
	term.setCursorPos(1, 1)

596
	return "end"

597
end

598
end

599
600
welcome()
        

    


            


                                


        

            



                
    

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