nitter/src/apiutils.nim

55 lines
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Nim
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import httpclient, asyncdispatch, options, times, strutils, uri
import packedjson
import types, tokens, consts, parserutils
const rl = "x-rate-limit-"
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proc genParams*(pars: openarray[(string, string)] = @[];
cursor=""): seq[(string, string)] =
result = timelineParams
for p in pars:
result &= p
if cursor.len > 0:
result &= ("cursor", cursor)
proc genHeaders*(token: Token = nil): HttpHeaders =
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result = newHttpHeaders({
"authorization": auth,
"content-type": "application/json",
"x-guest-token": if token == nil: "" else: token.tok,
"x-twitter-active-user": "yes",
"authority": "api.twitter.com",
"accept-language": "en-US,en;q=0.9",
"accept": "*/*",
"DNT": "1"
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})
proc fetch*(url: Uri; oldApi=false): Future[JsonNode] {.async.} =
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var
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token = await getToken()
client = newAsyncHttpClient(headers=genHeaders(token))
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try:
let
resp = await client.get($url)
body = await resp.body
if not body.startsWith('{'):
echo resp.status, ": ", body
result = newJNull()
else:
result = parseJson(body)
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if not oldApi and resp.headers.hasKey(rl & "limit"):
token.remaining = parseInt(resp.headers[rl & "remaining"])
token.reset = fromUnix(parseInt(resp.headers[rl & "reset"]))
if result.getError notin {invalidToken, forbidden, badToken}:
token.release()
except Exception:
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echo "error: ", url
result = newJNull()
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finally:
try: client.close()
except: discard