25.07.2025, 08:26
You need to modify the fist line of the script and put the correct URL to your camera snapshot.
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Send image from IP camera to Telegram
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25.07.2025, 08:39
25.07.2025, 08:44
Code: url = 'http://admin:password@IP/cgi-bin/snapshot.cgi'
res, err, hdrs = require('socket.http').request(url)
log(res, err, h
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Ctrl+F5 (25.07.2025, 08:44)Daniel Wrote:When I changed the URL structure to the following: Code: http://admin:pass@192.168.1.108/cgi-bin/snapshot.cgi?1&ts=123/snapshot.jpegthe result I got was: Code: * arg: 1
* nil
* arg: 2
* string: host not found
* arg: 3
* nil
25.07.2025, 08:54
Try without credentials first:
Code: url = 'http://192.168.1.108/cgi-bin/snapshot.cgi?1&ts=123/snapshot.jpeg'
25.07.2025, 08:57
(25.07.2025, 08:54)admin Wrote: Try without credentials first:here is what I got: Code: * arg: 1
* string:
* arg: 2
* number: 401
* arg: 3
* table:
["content-length"]
* string: 0
["www-authenticate"]
* string: Digest realm="Login to d882f4dfd7e415866755e2f26edb169a", qop="auth", nonce="48452745", opaque="fffc25e85b1cf04564a4329a5d9bf1b13030c745"
["connection"]
* string: close
25.07.2025, 09:06
There might be a problem if camera admin password contains special characters. Change it so it only contains letters and numbers. Put password into this script and run it.
Code: url = 'http://admin:PASSWORD@192.168.1.108/cgi-bin/snapshot.cgi?1&ts=123/snapshot.jpeg'
local skthttp = require('socket.http')
local skturl = require('socket.url')
local ltn12 = require('ltn12')
local md5sum = require('encdec').md5
local hash = function(...)
return md5sum(table.concat({...}, ':'))
end
local parse_header = function(header)
local result = {}
for key, value in (header .. ','):gmatch('(%w+)=(.-),') do
if value:sub(1, 1) == '"' then -- strip quotes
result[ key:lower() ] = value:sub(2, -2)
else
result[ key:lower() ] = value
end
end
return result
end
local make_digest_header = function(headers)
local digest = {}
for _, header in ipairs(headers) do
if not header.unquote then
header[ 2 ] = '"' .. header[ 2 ] .. '"'
end
digest[ #digest + 1 ] = header[ 1 ] .. '=' .. header[ 2 ]
end
return 'Digest ' .. table.concat(digest, ', ')
end
local _request = function(req)
if not req.url then
return nil, 'missing url'
end
local url = skturl.parse(req.url)
local user, password = url.user, url.password
if not user or not password then
return nil, 'missing credentials in url'
end
url.user, url.password, url.authority, url.userinfo = nil, nil, nil, nil
req.url = skturl.build(url)
local source
if req.source then
local chunks = {}
local capture = function(chunk)
if chunk then
chunks[ #chunks + 1 ] = chunk
end
return chunk
end
local chunk_id = 0
source = function()
chunk_id = chunk_id + 1
return chunks[ chunk_id ]
end
req.source = ltn12.source.chain(req.source, capture)
end
local body, code, hdrs = skthttp.request(req)
if code == 401 and hdrs['www-authenticate'] then
local ht = parse_header(hdrs['www-authenticate'])
if not ht.realm or not ht.nonce then
return nil, 'missing realm/nonce from response'
end
if ht.qop ~= 'auth' then
return nil, 'unsupported qop ' .. tostring(ht.qop)
end
if ht.algorithm and ht.algorithm:lower() ~= 'md5' then
return nil, 'unsupported algo ' .. tostring(ht.algorithm)
end
local nc = '00000001'
local cnonce = string.format('%08x', os.time())
local uri = skturl.build({ path = url.path, query = url.query })
local method = req.method or 'GET'
local response = hash(
hash(user, ht.realm, password),
ht.nonce,
nc,
cnonce,
'auth',
hash(method, uri)
)
req.headers = req.headers or {}
local auth = {
{ 'username', user },
{ 'realm', ht.realm },
{ 'nonce', ht.nonce },
{ 'uri', uri },
{ 'cnonce', cnonce },
{ 'nc', nc, unquote = true },
{ 'qop', 'auth' },
{ 'algorithm', 'MD5' },
{ 'response', response },
}
if ht.opaque then
table.insert(auth, { 'opaque', ht.opaque })
end
req.headers.authorization = make_digest_header(auth)
if not req.headers.cookie and hdrs['set-cookie'] then
-- not really correct but enough for httpbin
local cookie = (hdrs['set-cookie'] .. ';'):match('(.-=.-)[;,]')
if cookie then
req.headers.cookie = '$Version: 0; ' .. cookie .. ';'
end
end
if req.source then
req.source = source
end
body, code, hdrs = skthttp.request(req)
end
return body, code, hdrs
end
local request = function(url)
local t = type(url)
if t == 'table' then
return _request(table.clone(url))
elseif t == 'string' then
local req = {}
local _, code, headers = _request({ url = url, sink = ltn12.sink.table(req) })
return table.concat(req), code, headers
end
end
image, err, hdrs = request(url)
log(type(image), err, hdrs)
25.07.2025, 09:19
(25.07.2025, 09:06)admin Wrote: There might be a problem if camera admin password contains special characters. Change it so it only contains letters and numbers. Put password into this script and run it. Thank you, it works perfectly. The issue was caused by the camera password containing the Code: @ |
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