KXUaLYLr

1local function printUsage()
2    local programName = arg[0] or fs.getName(shell.getRunningProgram())
3    print("Usages:")
4    print(programName .. " put <filename>")
5    print(programName .. " get <code> <filename>")
6    print(programName .. " run <code> <arguments>")
7end
8
9local tArgs = { ... }
10if #tArgs < 2 then
11    printUsage()
12    return
13end
14
15if not http then
16    printError("Pastebin requires the http API")
17    printError("Set http.enabled to true in CC: Tweaked's config")
18    return
19end
20
21--- Attempts to guess the pastebin ID from the given code or URL
22local function extractId(paste)
23    local patterns = {
24        "^([%a%d]+)$",
25        "^https?://pastebin.com/([%a%d]+)$",
26        "^pastebin.com/([%a%d]+)$",
27        "^https?://pastebin.com/raw/([%a%d]+)$",
28        "^pastebin.com/raw/([%a%d]+)$",
29    }
30
31    for i = 1, #patterns do
32        local code = paste:match(patterns[i])
33        if code then return code end
34    end
35
36    return nil
37end
38
39local function get(url)
40    local paste = extractId(url)
41    if not paste then
42        io.stderr:write("Invalid pastebin code.\n")
43        io.write("The code is the ID at the end of the pastebin.com URL.\n")
44        return
45    end
46
47    write("Connecting to pastebin.com... ")
48    -- Add a cache buster so that spam protection is re-checked
49    local cacheBuster = ("%x"):format(math.random(0, 2 ^ 30))
50    local response, err = http.get(
51        "https://pastebin.com/raw/" .. textutils.urlEncode(paste) .. "?cb=" .. cacheBuster
52    )
53
54    if response then
55        -- If spam protection is activated, we get redirected to /paste with Content-Type: text/html
56        local headers = response.getResponseHeaders()
57        if not headers["Content-Type"] or not headers["Content-Type"]:find("^text/plain") then
58            io.stderr:write("Failed.\n")
59            print("Pastebin blocked the download due to spam protection. Please complete the captcha in a web browser: https://pastebin.com/" .. textutils.urlEncode(paste))
60            return
61        end
62
63        print("Success.")
64
65        local sResponse = response.readAll()
66        response.close()
67        return sResponse
68    else
69        io.stderr:write("Failed.\n")
70        print(err)
71    end
72end
73
74local sCommand = tArgs[1]
75if sCommand == "put" then
76    -- Upload a file to pastebin.com
77    -- Determine file to upload
78    local sFile = tArgs[2]
79    local sPath = shell.resolve(sFile)
80    if not fs.exists(sPath) or fs.isDir(sPath) then
81        print("No such file")
82        return
83    end
84
85    -- Read in the file
86    local sName = fs.getName(sPath)
87    local file = fs.open(sPath, "r")
88    local sText = file.readAll()
89    file.close()
90
91    -- POST the contents to pastebin
92    write("Connecting to pastebin.com... ")
93    local key = "0ec2eb25b6166c0c27a394ae118ad829"
94    local response = http.post(
95        "https://pastebin.com/api/api_post.php",
96        "api_option=paste&" ..
97        "api_dev_key=" .. key .. "&" ..
98        "api_paste_format=lua&" ..
99        "api_paste_name=" .. textutils.urlEncode(sName) .. "&" ..
100        "api_paste_code=" .. textutils.urlEncode(sText)
101    )
102
103    if response then
104        print("Success.")
105
106        local sResponse = response.readAll()
107        response.close()
108
109        local sCode = string.match(sResponse, "[^/]+$")
110        print("Uploaded as " .. sResponse)
111        print("Run \"pastebin get " .. sCode .. "\" to download anywhere")
112
113    else
114        print("Failed.")
115    end
116
117elseif sCommand == "get" then
118    -- Download a file from pastebin.com
119    if #tArgs < 3 then
120        printUsage()
121        return
122    end
123
124    -- Determine file to download
125    local sCode = tArgs[2]
126    local sFile = tArgs[3]
127    local sPath = shell.resolve(sFile)
128    if fs.exists(sPath) then
129        print("File already exists")
130        return
131    end
132
133    -- GET the contents from pastebin
134    local res = get(sCode)
135    if res then
136        local file = fs.open(sPath, "w")
137        file.write(res)
138        file.close()
139
140        print("Downloaded as " .. sFile)
141    end
142elseif sCommand == "run" then
143    local sCode = tArgs[2]
144
145    local res = get(sCode)
146    if res then
147        local func, err = load(res, sCode, "t", _ENV)
148        if not func then
149            printError(err)
150            return
151        end
152        local success, msg = pcall(func, select(3, ...))
153        if not success then
154            printError(msg)
155        end
156    end
157else
158    printUsage()
159    return
160end