import httpclient, asyncdispatch, options, times, strutils, uri import packedjson import types, tokens, consts, parserutils const rl = "x-rate-limit-" proc genParams*(pars: openarray[(string, string)] = @[]; cursor=""; count="20"; ext=true): seq[(string, string)] = result = timelineParams for p in pars: result &= p if ext: result &= ("ext", "mediaStats") if cursor.len > 0: result &= ("cursor", cursor) if count.len > 0: result &= ("count", count) proc genHeaders*(token: Token = nil): HttpHeaders = 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" }) proc fetch*(url: Uri; oldApi=false): Future[JsonNode] {.async.} = var token = await getToken() client = newAsyncHttpClient(headers=genHeaders(token)) try: let resp = await client.get($url) body = await resp.body if body.startsWith('{') or body.startsWith('['): result = parseJson(body) else: echo resp.status, ": ", body result = newJNull() 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: echo "error: ", url result = newJNull() finally: try: client.close() except: discard