public HttpClient(
IWebResponseExtractor webResponseExtractor,
IWebRequestBuilder webRequestBuilder)
{
_webResponseExtractor = webResponseExtractor;
_webRequestBuilder = webRequestBuilder;
}
public MultiPartDownload(
Uri url,
int bufferSize,
int numberOfParts,
IDownloadBuilder downloadBuilder,
IWebRequestBuilder requestBuilder,
IDownloadChecker downloadChecker,
List<DownloadRange> alreadyDownloadedRanges)
: base(url, bufferSize, null, null, requestBuilder, downloadChecker)
{
if (numberOfParts <= 0)
throw new ArgumentException("numberOfParts <= 0");
if (downloadBuilder == null)
throw new ArgumentNullException("downloadBuilder");
this.numberOfParts = numberOfParts;
this.downloadBuilder = downloadBuilder;
this.AlreadyDownloadedRanges = alreadyDownloadedRanges ?? new List<DownloadRange>();
if (System.Net.ServicePointManager.DefaultConnectionLimit < numberOfParts)
{
System.Net.ServicePointManager.DefaultConnectionLimit = numberOfParts;
}
}
public MultiPartDownload(
Uri url,
int bufferSize,
int numberOfParts,
IDownloadBuilder downloadBuilder,
IWebRequestBuilder requestBuilder,
IDownloadChecker downloadChecker,
List <DownloadRange> alreadyDownloadedRanges)
: base(url, bufferSize, null, null, requestBuilder, downloadChecker)
{
if (numberOfParts <= 0)
{
throw new ArgumentException("numberOfParts <= 0");
}
if (downloadBuilder == null)
{
throw new ArgumentNullException("downloadBuilder");
}
this.numberOfParts = numberOfParts;
this.downloadBuilder = downloadBuilder;
this.AlreadyDownloadedRanges = alreadyDownloadedRanges ?? new List <DownloadRange>();
if (System.Net.ServicePointManager.DefaultConnectionLimit < numberOfParts)
{
System.Net.ServicePointManager.DefaultConnectionLimit = numberOfParts;
}
}
public AbstractDownload(Uri url, int bufferSize, long?offset, long?maxReadBytes, IWebRequestBuilder requestBuilder, IDownloadChecker downloadChecker)
{
if (url == null)
{
throw new ArgumentNullException("url");
}
if (bufferSize < 0)
{
throw new ArgumentException("bufferSize < 0");
}
if (offset.HasValue && offset.Value < 0)
{
throw new ArgumentException("offset < 0");
}
if (maxReadBytes.HasValue && maxReadBytes.Value < 0)
{
throw new ArgumentException("maxReadBytes < 0");
}
this.url = url;
this.bufferSize = bufferSize;
this.offset = offset;
this.maxReadBytes = maxReadBytes;
this.requestBuilder = requestBuilder;
this.downloadChecker = downloadChecker;
this.state = DownloadState.Initialized;
}
public MultiPartDownloadBuilder(
int numberOfParts,
IDownloadBuilder downloadBuilder,
IWebRequestBuilder requestBuilder,
IDownloadChecker downloadChecker,
List<DownloadRange> alreadyDownloadedRanges)
{
if (numberOfParts <= 0)
throw new ArgumentException("numberOfParts <= 0");
if (downloadBuilder == null)
throw new ArgumentNullException("downloadBuilder");
if (requestBuilder == null)
throw new ArgumentNullException("requestBuilder");
if (downloadChecker == null)
throw new ArgumentNullException("downloadChecker");
this.numberOfParts = numberOfParts;
this.downloadBuilder = downloadBuilder;
this.requestBuilder = requestBuilder;
this.downloadChecker = downloadChecker;
this.alreadyDownloadedRanges = alreadyDownloadedRanges ?? new List<DownloadRange>();
}
public HttpClient(
IWebResponseExtractor webResponseExtractor,
IWebRequestBuilder webRequestBuilder)
{
_webResponseExtractor = webResponseExtractor;
_webRequestBuilder = webRequestBuilder;
}
public static async Task<Session> LoginAsync(string email, string password, IWebRequestBuilder requestBuilder)
{
const string urlLogin = "******";
var session = new Session(requestBuilder);
var csrfToken = ConstructCsrfToken();
var data = string.Format("email={0}&password={1}", Uri.EscapeDataString(email), Uri.EscapeDataString(password));
var headers = CommonHeaders();
headers.Add("Origin", "https://accounts.coursera.org");
headers.Add("X-CSRFToken", csrfToken);
headers.Add("Host", "accounts.coursera.org");
headers.Add("Referer", "https://accounts.coursera.org/signin");
using (var request = requestBuilder.Build(urlLogin, headers, session.CookieJar))
{
request.ContentType = "application/x-www-form-urlencoded";
request.Method = "POST";
session.CookieJar.Add(request.RequestUri, new Cookie("csrftoken", csrfToken));
await request.SetContentAsync(data);
using (var response = await request.GetResponseAsync().ConfigureAwait(false))
{
using (var sr = new StreamReader(await response.GetResponseStreamAsync()))
{
var userJson = sr.ReadToEnd();
session._user = JsonConvert.DeserializeObject<User>(userJson);
}
}
}
return session;
}
public DownloadCheckResult CheckDownload(Uri url, IWebRequestBuilder requestBuilder)
{
try
{
var request = requestBuilder.CreateRequest(url, null);
using (var response = request.GetResponse())
{
return(CheckDownload(response));
}
}
catch (WebException ex)
{
return(new DownloadCheckResult()
{
Exception = ex, StatusCode = (int)(ex.Response as HttpWebResponse).StatusCode
});
}
catch (Exception ex)
{
return(new DownloadCheckResult()
{
Exception = ex
});
}
}
public MultiPartDownloadBuilder(
int numberOfParts,
IDownloadBuilder downloadBuilder,
IWebRequestBuilder requestBuilder,
IDownloadChecker downloadChecker,
List <DownloadRange> alreadyDownloadedRanges)
{
if (numberOfParts <= 0)
{
throw new ArgumentException("numberOfParts <= 0");
}
if (downloadBuilder == null)
{
throw new ArgumentNullException("downloadBuilder");
}
if (requestBuilder == null)
{
throw new ArgumentNullException("requestBuilder");
}
if (downloadChecker == null)
{
throw new ArgumentNullException("downloadChecker");
}
this.numberOfParts = numberOfParts;
this.downloadBuilder = downloadBuilder;
this.requestBuilder = requestBuilder;
this.downloadChecker = downloadChecker;
this.alreadyDownloadedRanges = alreadyDownloadedRanges ?? new List <DownloadRange>();
}
public SimpleDownloadBuilder(IWebRequestBuilder requestBuilder, IDownloadChecker downloadChecker)
{
if (requestBuilder == null)
throw new ArgumentNullException("requestBuilder");
if (downloadChecker == null)
throw new ArgumentNullException("downloadChecker");
this.requestBuilder = requestBuilder;
this.downloadChecker = downloadChecker;
}
private static void AddHeadersOnWebResponseBuilder(
IEnumerable<KeyValuePair<string, string>> requestHeaders,
IWebRequestBuilder webRequestBuilder)
{
if (requestHeaders == null)
{
return;
}
requestHeaders
.ToList()
.ForEach(header => webRequestBuilder.InsertHeader(header.Key, header.Value));
}
private static void AddHeadersOnWebResponseBuilder(
IEnumerable <KeyValuePair <string, string> > requestHeaders,
IWebRequestBuilder webRequestBuilder)
{
if (requestHeaders == null)
{
return;
}
requestHeaders
.ToList()
.ForEach(header => webRequestBuilder.InsertHeader(header.Key, header.Value));
}
public SimpleDownloadBuilder(IWebRequestBuilder requestBuilder, IDownloadChecker downloadChecker)
{
if (requestBuilder == null)
{
throw new ArgumentNullException("requestBuilder");
}
if (downloadChecker == null)
{
throw new ArgumentNullException("downloadChecker");
}
this.requestBuilder = requestBuilder;
this.downloadChecker = downloadChecker;
}
public DownloadCheckResult CheckDownload(Uri url, IWebRequestBuilder requestBuilder)
{
try
{
var request = requestBuilder.CreateRequest(url, null);
using (var response = request.GetResponse())
{
return CheckDownload(response);
}
}
catch (Exception ex)
{
return new DownloadCheckResult() { Exception = ex };
}
}
public AbstractDownload(Uri url, int bufferSize, int? offset, int? maxReadBytes, IWebRequestBuilder requestBuilder, IDownloadChecker downloadChecker)
{
if (url == null)
throw new ArgumentNullException("url");
if (bufferSize < 0)
throw new ArgumentException("bufferSize < 0");
if (offset.HasValue && offset.Value < 0)
throw new ArgumentException("offset < 0");
if (maxReadBytes.HasValue && maxReadBytes.Value < 0)
throw new ArgumentException("maxReadBytes < 0");
this.url = url;
this.bufferSize = bufferSize;
this.offset = offset;
this.maxReadBytes = maxReadBytes;
this.requestBuilder = requestBuilder;
this.downloadChecker = downloadChecker;
this.state = DownloadState.Initialized;
}
public DownloadCheckResult CheckDownload(Uri url, IWebRequestBuilder requestBuilder)
{
return this.CheckDownload(null);
}
private Session(IWebRequestBuilder requestBuilder)
{
CookieJar = new CookieContainer();
RequestBuilder = requestBuilder;
IsAuthRedirected = false;
}
public SimpleDownload(Uri url, int bufferSize, long?offset, long?maxReadBytes, IWebRequestBuilder requestBuilder, IDownloadChecker downloadChecker)
: base(url, bufferSize, offset, maxReadBytes, requestBuilder, downloadChecker)
{
}
public DownloadCheckResult CheckDownload(Uri url, IWebRequestBuilder requestBuilder)
{
return(this.CheckDownload(null));
}
public SearchService(IWebRequestBuilder builder)
{
Builder = builder;
}
public SimpleDownload(Uri url, int bufferSize, int? offset, int? maxReadBytes, IWebRequestBuilder requestBuilder, IDownloadChecker downloadChecker)
: base(url, bufferSize, offset, maxReadBytes, requestBuilder, downloadChecker)
{
}
