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package sttp.client4
import sttp.client4.internal.SttpFile
import sttp.client4.internal.Utf8
import sttp.client4.internal.contentTypeWithCharset
import sttp.client4.logging.LoggingOptions
import sttp.client4.wrappers.DigestAuthenticationBackend
import sttp.model.HasHeaders
import sttp.model.Header
import sttp.model.HeaderNames
import sttp.model.HttpVersion
import sttp.model.MediaType
import sttp.model.Method
import sttp.model.Part
import sttp.model.Uri
import sttp.model.headers.CookieWithMeta
import java.io.InputStream
import java.nio.ByteBuffer
import scala.concurrent.duration.Duration
import scala.collection.immutable.Seq
/** The builder methods of requests or partial requests of type `PR`.
*
* @tparam PR
* The type of the request or partial request. The method and uri may not be specified yet.
* @tparam R
* The type of request when the method and uri are specified.
*/
trait PartialRequestBuilder[+PR <: PartialRequestBuilder[PR, R], +R]
extends HasHeaders
with PartialRequestExtensions[PR] {
self: PR =>
def showBasic: String
def headers: Seq[Header]
def body: GenericRequestBody[_]
/** Description of how the response body should be handled. Needs to be specified upfront so that the response is
* always consumed and hence there are no requirements on client code to consume it.
*/
def response: ResponseAsDelegate[_, _]
def options: RequestOptions
/** Request-specific tags which can be used by backends for logging, metrics, etc. Empty by default. */
def tags: Map[String, Any]
/** Set the method & uri to the given ones. */
def method(method: Method, uri: Uri): R
/** Replace all headers with the given ones. */
def withHeaders(headers: Seq[Header]): PR
/** Replace all options with the given ones. */
def withOptions(options: RequestOptions): PR
/** Replace all tags with the given ones. */
def withTags(tags: Map[String, Any]): PR
protected def copyWithBody(body: BasicBody): PR
def get(uri: Uri): R = method(Method.GET, uri)
def head(uri: Uri): R = method(Method.HEAD, uri)
def post(uri: Uri): R = method(Method.POST, uri)
def put(uri: Uri): R = method(Method.PUT, uri)
def delete(uri: Uri): R = method(Method.DELETE, uri)
def options(uri: Uri): R = method(Method.OPTIONS, uri)
def patch(uri: Uri): R = method(Method.PATCH, uri)
def contentType(ct: String): PR = header(HeaderNames.ContentType, ct)
def contentType(mt: MediaType): PR = header(HeaderNames.ContentType, mt.toString)
def contentType(ct: String, encoding: String): PR =
header(HeaderNames.ContentType, contentTypeWithCharset(ct, encoding))
def contentLength(l: Long): PR = header(HeaderNames.ContentLength, l.toString)
/** Adds the given header to the headers of this request. If a header with the same name already exists, the default
* is to replace it with the given one.
*
* @param onDuplicate
* What should happen if there's already a header with the same name. The default is to replace.
*/
def header(h: Header, onDuplicate: DuplicateHeaderBehavior = DuplicateHeaderBehavior.Replace): PR =
onDuplicate match {
case DuplicateHeaderBehavior.Replace =>
val filtered = headers.filterNot(_.is(h.name))
withHeaders(headers = filtered :+ h)
case DuplicateHeaderBehavior.Combine =>
val (existing, other) = headers.partition(_.is(h.name))
val separator = if (h.is(HeaderNames.Cookie)) "; " else ", "
val combined = Header(h.name, (existing.map(_.value) :+ h.value).mkString(separator))
withHeaders(headers = other :+ combined)
case DuplicateHeaderBehavior.Add =>
withHeaders(headers = headers :+ h)
}
/** Adds the given header to the headers of this request.
* @param onDuplicate
* What should happen if there's already a header with the same name. See [[header(Header)]].
*/
def header(k: String, v: String, onDuplicate: DuplicateHeaderBehavior): PR =
header(Header(k, v), onDuplicate)
/** Adds the given header to the headers of this request. If a header with the same name already exists, it's
* replaced.
*/
def header(k: String, v: String): PR = header(Header(k, v))
/** Adds the given header to the headers of this request, if the value is defined. Otherwise has no effect. If a
* header with the same name already exists, it's replaced.
*/
def header(k: String, ov: Option[String]): PR = ov.fold(this)(header(k, _))
/** Adds the given headers to the headers of this request. If a header with the same name already exists, it's
* replaced.
*/
def headers(hs: Map[String, String]): PR = headers(hs.map(t => Header(t._1, t._2)).toSeq: _*)
/** Adds the given headers to the headers of this request. If a header with the same name already exists, it's
* replaced.
*/
def headers(hs: Header*): PR = hs.foldLeft(this)(_.header(_))
def auth: SpecifyAuthScheme[PR] =
new SpecifyAuthScheme[PR](HeaderNames.Authorization, this, DigestAuthenticationBackend.DigestAuthTag)
def proxyAuth: SpecifyAuthScheme[PR] =
new SpecifyAuthScheme[PR](HeaderNames.ProxyAuthorization, this, DigestAuthenticationBackend.ProxyDigestAuthTag)
def acceptEncoding(encoding: String): PR = header(HeaderNames.AcceptEncoding, encoding)
/** Adds the given cookie. Any previously defined cookies are left intact. */
def cookie(nv: (String, String)): PR = cookies(nv)
/** Adds the given cookie. Any previously defined cookies are left intact. */
def cookie(n: String, v: String): PR = cookies((n, v))
/** Adds the cookies from the given response. Any previously defined cookies are left intact. */
def cookies(r: Response[_]): PR = cookies(r.cookies.collect { case Right(c) => c }.map(c => (c.name, c.value)): _*)
/** Adds the given cookies. Any previously defined cookies are left intact. */
def cookies(cs: Iterable[CookieWithMeta]): PR = cookies(cs.map(c => (c.name, c.value)).toSeq: _*)
/** Adds the given cookies. Any previously defined cookies are left intact. */
def cookies(nvs: (String, String)*): PR = header(
HeaderNames.Cookie,
nvs.map(p => p._1 + "=" + p._2).mkString("; "),
onDuplicate = DuplicateHeaderBehavior.Combine
)
private[client4] def hasContentType: Boolean = headers.exists(_.is(HeaderNames.ContentType))
private[client4] def setContentTypeIfMissing(mt: MediaType): PR =
if (hasContentType) this else contentType(mt)
private[client4] def hasContentLength: Boolean =
headers.exists(_.name.equalsIgnoreCase(HeaderNames.ContentLength))
private[client4] def setContentLengthIfMissing(l: => Long): PR =
if (hasContentLength) this else contentLength(l)
/** Uses the `utf-8` encoding.
*
* If content type is not yet specified, will be set to `text/plain` with `utf-8` encoding.
*
* If content length is not yet specified, will be set to the number of bytes in the string using the `utf-8`
* encoding.
*/
def body(b: String): PR = body(b, Utf8)
/** If content type is not yet specified, will be set to `text/plain` with the given encoding.
*
* If content length is not yet specified, will be set to the number of bytes in the string using the given encoding.
*/
def body(b: String, encoding: String): PR =
withBody(StringBody(b, encoding)).setContentLengthIfMissing(b.getBytes(encoding).length.toLong)
/** If content type is not yet specified, will be set to `application/octet-stream`.
*
* If content length is not yet specified, will be set to the length of the given array.
*/
def body(b: Array[Byte]): PR = withBody(ByteArrayBody(b)).setContentLengthIfMissing(b.length.toLong)
/** If content type is not yet specified, will be set to `application/octet-stream`. */
def body(b: ByteBuffer): PR = withBody(ByteBufferBody(b))
/** If content type is not yet specified, will be set to `application/octet-stream`.
*/
def body(b: InputStream): PR = withBody(InputStreamBody(b))
/** If content type is not yet specified, will be set to `application/octet-stream`.
*
* If content length is not yet specified, will be set to the length of the given file.
*/
private[client4] def body(f: SttpFile): PR = withBody(FileBody(f)).setContentLengthIfMissing(f.size)
/** Encodes the given parameters as form data using `utf-8`. If content type is not yet specified, will be set to
* `application/x-www-form-urlencoded`.
*
* If content length is not yet specified, will be set to the length of the number of bytes in the url-encoded
* parameter string.
*/
def body(fs: Map[String, String]): PR = formDataBody(fs.toList, Utf8)
/** Encodes the given parameters as form data. If content type is not yet specified, will be set to
* `application/x-www-form-urlencoded`.
*
* If content length is not yet specified, will be set to the length of the number of bytes in the url-encoded
* parameter string.
*/
def body(fs: Map[String, String], encoding: String): PR = formDataBody(fs.toList, encoding)
/** Encodes the given parameters as form data using `utf-8`. If content type is not yet specified, will be set to
* `application/x-www-form-urlencoded`.
*
* If content length is not yet specified, will be set to the length of the number of bytes in the url-encoded
* parameter string.
*/
def body(fs: (String, String)*): PR = formDataBody(fs.toList, Utf8)
/** Encodes the given parameters as form data. If content type is not yet specified, will be set to
* `application/x-www-form-urlencoded`.
*
* If content length is not yet specified, will be set to the length of the number of bytes in the url-encoded
* parameter string.
*/
def body(fs: Seq[(String, String)], encoding: String): PR = formDataBody(fs, encoding)
def multipartBody(ps: Seq[Part[BasicBodyPart]]): PR = copyWithBody(BasicMultipartBody(ps))
def multipartBody(p1: Part[BasicBodyPart], ps: Part[BasicBodyPart]*): PR = copyWithBody(
BasicMultipartBody(p1 :: ps.toList)
)
private def formDataBody(fs: Seq[(String, String)], encoding: String): PR = {
val b = BasicBody.paramsToStringBody(fs, encoding)
copyWithBody(b)
.setContentTypeIfMissing(MediaType.ApplicationXWwwFormUrlencoded)
.setContentLengthIfMissing(b.s.getBytes(encoding).length.toLong)
}
def withBody(body: BasicBody): PR = {
val defaultCt = body match {
case StringBody(_, encoding, ct) =>
ct.copy(charset = Some(encoding))
case _ =>
body.defaultContentType
}
copyWithBody(body).setContentTypeIfMissing(defaultCt)
}
/** When the request is sent, if reading the response times out (there's no activity for the given period of time), a
* failed effect will be returned, or an exception will be thrown
*/
def readTimeout(t: Duration): PR = withOptions(options.copy(readTimeout = t))
def followRedirects(fr: Boolean): PR = withOptions(options.copy(followRedirects = fr))
def maxRedirects(n: Int): PR =
if (n <= 0) withOptions(options.copy(followRedirects = false))
else withOptions(options.copy(followRedirects = true, maxRedirects = n))
/** When a POST or PUT request is redirected, should the redirect be a POST/PUT as well (with the original body), or
* should the request be converted to a GET without a body.
*
* Note that this only affects 301 and 302 redirects. 303 redirects are always converted, while 307 and 308 redirects
* always keep the same method.
*
* See https://developer.mozilla.org/en-US/docs/Web/HTTP/Redirections for details.
*/
def redirectToGet(r: Boolean): PR = withOptions(options.copy(redirectToGet = r))
def tag(k: String, v: Any): PR = withTags(tags + (k -> v))
def tag(k: String): Option[Any] = tags.get(k)
private val disableAutoDecompressionKey = "disableAutoDecompression"
// Used as a workaround to keep binary compatibility
// TODO: replace with additional parameter in RequestOptions when writing sttp4
def disableAutoDecompression: PR = tag(disableAutoDecompressionKey, true)
def autoDecompressionDisabled: Boolean = tags.getOrElse(disableAutoDecompressionKey, false).asInstanceOf[Boolean]
private val httpVersionKey = "httpVersion"
// Used as a workaround to keep binary compatibility
// TODO: replace with additional parameter in RequestOptions when writing sttp4
// TODO: add similar functionality to Response
/** Allows setting HTTP version per request. Supported only is a few backends
*
* @param version:
* one of values from [[HttpVersion]] enum.
* @return
* request with version tag
*/
def httpVersion(version: HttpVersion): PR = tag(httpVersionKey, version)
/** Get[[HttpVersion]] from tags in request. Supported only is a few backends
*
* @return
* one of values form [[HttpVersion]] enum or [[None]]
*/
def httpVersion: Option[HttpVersion] = tags.get(httpVersionKey).map(_.asInstanceOf[HttpVersion])
private val loggingOptionsTagKey = "loggingOptions"
/** Will only have effect when using the `LoggingBackend` */
def logSettings(
logRequestBody: Option[Boolean] = None,
logResponseBody: Option[Boolean] = None,
logRequestHeaders: Option[Boolean] = None,
logResponseHeaders: Option[Boolean] = None
): PR = {
val loggingOptions = LoggingOptions(
logRequestBody = logRequestBody,
logResponseBody = logResponseBody,
logRequestHeaders = logRequestHeaders,
logResponseHeaders = logResponseHeaders
)
this.tag(loggingOptionsTagKey, loggingOptions)
}
def logSettings(
loggingOptions: Option[LoggingOptions]
): PR =
this.tag(loggingOptionsTagKey, loggingOptions)
def loggingOptions: Option[LoggingOptions] = tag(loggingOptionsTagKey).asInstanceOf[Option[LoggingOptions]]
def show(
includeBody: Boolean = true,
includeHeaders: Boolean = true,
sensitiveHeaders: Set[String] = HeaderNames.SensitiveHeaders
): String = {
val headers =
if (includeHeaders) ", headers: " + this.headers.map(_.toStringSafe(sensitiveHeaders)).mkString(", ") else ""
val body = if (includeBody) s", body: ${this.body.show}" else ""
s"$showBasic, response as: ${response.show}$headers$body"
}
}
/** Describes a partial HTTP request, along with a description of how the response body should be handled. A partial
* request cannot be sent because the method and uri are not yet specified.
*
* @param response
* Description of how the response body should be handled. Needs to be specified upfront so that the response is
* always consumed and hence there are no requirements on client code to consume it.
* @param tags
* Request-specific tags which can be used by backends for logging, metrics, etc. Empty by default.
* @tparam T
* The target type, to which the response body should be read.
*/
final case class PartialRequest[T](
body: BasicBody,
headers: Seq[Header],
response: ResponseAs[T],
options: RequestOptions,
tags: Map[String, Any]
) extends PartialRequestBuilder[PartialRequest[T], Request[T]] {
override def showBasic: String = "(no method & uri set)"
override def method(method: Method, uri: Uri): Request[T] =
Request(method, uri, body, headers, response, options, tags)
override def withHeaders(headers: Seq[Header]): PartialRequest[T] = copy(headers = headers)
override def withOptions(options: RequestOptions): PartialRequest[T] = copy(options = options)
override def withTags(tags: Map[String, Any]): PartialRequest[T] = copy(tags = tags)
override protected def copyWithBody(body: BasicBody): PartialRequest[T] = copy(body = body)
def response[T2](ra: ResponseAs[T2]): PartialRequest[T2] = copy(response = ra)
}
/** The builder methods of a request. The uri and method are specified.
*
* @tparam R
* The type of request
*/
trait RequestBuilder[+R <: RequestBuilder[R]] extends PartialRequestBuilder[R, R] { self: R => }
/** Specifies what should happen when adding a header to a request description, and a header with that name already
* exists. See [[PartialRequestBuilder.header(Header)]].
*/
sealed trait DuplicateHeaderBehavior
object DuplicateHeaderBehavior {
/** Replaces any headers with the same name. */
case object Replace extends DuplicateHeaderBehavior
/** Combines the header values using `,`, except for `Cookie`, where values are combined using `;`. */
case object Combine extends DuplicateHeaderBehavior
/** Adds the header, leaving any other headers with the same name intact. */
case object Add extends DuplicateHeaderBehavior
}
