Examples with ProtocolException org.apache.http.ProtocolException used on opensource projects

Example 6 with ProtocolException

use of org.apache.http.ProtocolException in project robovm by robovm.

the class DefaultRedirectHandler method getLocationURI.

public URI getLocationURI(final HttpResponse response, final HttpContext context) throws ProtocolException {
    if (response == null) {
        throw new IllegalArgumentException("HTTP response may not be null");
    }
    //get the location header to find out where to redirect to
    Header locationHeader = response.getFirstHeader("location");
    if (locationHeader == null) {
        // got a redirect response, but no location header
        throw new ProtocolException("Received redirect response " + response.getStatusLine() + " but no location header");
    }
    String location = locationHeader.getValue();
    if (this.log.isDebugEnabled()) {
        this.log.debug("Redirect requested to location '" + location + "'");
    }
    URI uri;
    try {
        uri = new URI(location);
    } catch (URISyntaxException ex) {
        throw new ProtocolException("Invalid redirect URI: " + location, ex);
    }
    HttpParams params = response.getParams();
    // Location       = "Location" ":" absoluteURI
    if (!uri.isAbsolute()) {
        if (params.isParameterTrue(ClientPNames.REJECT_RELATIVE_REDIRECT)) {
            throw new ProtocolException("Relative redirect location '" + uri + "' not allowed");
        }
        // Adjust location URI
        HttpHost target = (HttpHost) context.getAttribute(ExecutionContext.HTTP_TARGET_HOST);
        if (target == null) {
            throw new IllegalStateException("Target host not available " + "in the HTTP context");
        }
        HttpRequest request = (HttpRequest) context.getAttribute(ExecutionContext.HTTP_REQUEST);
        try {
            URI requestURI = new URI(request.getRequestLine().getUri());
            URI absoluteRequestURI = URIUtils.rewriteURI(requestURI, target, true);
            uri = URIUtils.resolve(absoluteRequestURI, uri);
        } catch (URISyntaxException ex) {
            throw new ProtocolException(ex.getMessage(), ex);
        }
    }
    if (params.isParameterFalse(ClientPNames.ALLOW_CIRCULAR_REDIRECTS)) {
        RedirectLocations redirectLocations = (RedirectLocations) context.getAttribute(REDIRECT_LOCATIONS);
        if (redirectLocations == null) {
            redirectLocations = new RedirectLocations();
            context.setAttribute(REDIRECT_LOCATIONS, redirectLocations);
        }
        URI redirectURI;
        if (uri.getFragment() != null) {
            try {
                HttpHost target = new HttpHost(uri.getHost(), uri.getPort(), uri.getScheme());
                redirectURI = URIUtils.rewriteURI(uri, target, true);
            } catch (URISyntaxException ex) {
                throw new ProtocolException(ex.getMessage(), ex);
            }
        } else {
            redirectURI = uri;
        }
        if (redirectLocations.contains(redirectURI)) {
            throw new CircularRedirectException("Circular redirect to '" + redirectURI + "'");
        } else {
            redirectLocations.add(redirectURI);
        }
    }
    return uri;
}

Example 7 with ProtocolException

use of org.apache.http.ProtocolException in project robovm by robovm.

the class RequestAddCookies method process.

public void process(final HttpRequest request, final HttpContext context) throws HttpException, IOException {
    if (request == null) {
        throw new IllegalArgumentException("HTTP request may not be null");
    }
    if (context == null) {
        throw new IllegalArgumentException("HTTP context may not be null");
    }
    // Obtain cookie store
    CookieStore cookieStore = (CookieStore) context.getAttribute(ClientContext.COOKIE_STORE);
    if (cookieStore == null) {
        this.log.info("Cookie store not available in HTTP context");
        return;
    }
    // Obtain the registry of cookie specs
    CookieSpecRegistry registry = (CookieSpecRegistry) context.getAttribute(ClientContext.COOKIESPEC_REGISTRY);
    if (registry == null) {
        this.log.info("CookieSpec registry not available in HTTP context");
        return;
    }
    // Obtain the target host (required)
    HttpHost targetHost = (HttpHost) context.getAttribute(ExecutionContext.HTTP_TARGET_HOST);
    if (targetHost == null) {
        throw new IllegalStateException("Target host not specified in HTTP context");
    }
    // Obtain the client connection (required)
    ManagedClientConnection conn = (ManagedClientConnection) context.getAttribute(ExecutionContext.HTTP_CONNECTION);
    if (conn == null) {
        throw new IllegalStateException("Client connection not specified in HTTP context");
    }
    String policy = HttpClientParams.getCookiePolicy(request.getParams());
    if (this.log.isDebugEnabled()) {
        this.log.debug("CookieSpec selected: " + policy);
    }
    URI requestURI;
    if (request instanceof HttpUriRequest) {
        requestURI = ((HttpUriRequest) request).getURI();
    } else {
        try {
            requestURI = new URI(request.getRequestLine().getUri());
        } catch (URISyntaxException ex) {
            throw new ProtocolException("Invalid request URI: " + request.getRequestLine().getUri(), ex);
        }
    }
    String hostName = targetHost.getHostName();
    int port = targetHost.getPort();
    if (port < 0) {
        port = conn.getRemotePort();
    }
    CookieOrigin cookieOrigin = new CookieOrigin(hostName, port, requestURI.getPath(), conn.isSecure());
    // Get an instance of the selected cookie policy
    CookieSpec cookieSpec = registry.getCookieSpec(policy, request.getParams());
    // Get all cookies available in the HTTP state
    List<Cookie> cookies = new ArrayList<Cookie>(cookieStore.getCookies());
    // Find cookies matching the given origin
    List<Cookie> matchedCookies = new ArrayList<Cookie>();
    for (Cookie cookie : cookies) {
        if (cookieSpec.match(cookie, cookieOrigin)) {
            if (this.log.isDebugEnabled()) {
                this.log.debug("Cookie " + cookie + " match " + cookieOrigin);
            }
            matchedCookies.add(cookie);
        }
    }
    // Generate Cookie request headers
    if (!matchedCookies.isEmpty()) {
        List<Header> headers = cookieSpec.formatCookies(matchedCookies);
        for (Header header : headers) {
            request.addHeader(header);
        }
    }
    int ver = cookieSpec.getVersion();
    if (ver > 0) {
        boolean needVersionHeader = false;
        for (Cookie cookie : matchedCookies) {
            if (ver != cookie.getVersion()) {
                needVersionHeader = true;
            }
        }
        if (needVersionHeader) {
            Header header = cookieSpec.getVersionHeader();
            if (header != null) {
                // Advertise cookie version support
                request.addHeader(header);
            }
        }
    }
    // Stick the CookieSpec and CookieOrigin instances to the HTTP context
    // so they could be obtained by the response interceptor
    context.setAttribute(ClientContext.COOKIE_SPEC, cookieSpec);
    context.setAttribute(ClientContext.COOKIE_ORIGIN, cookieOrigin);
}

Example 8 with ProtocolException

use of org.apache.http.ProtocolException in project robolectric by robolectric.

the class DefaultRequestDirector method rewriteRequestURI.

protected void rewriteRequestURI(final RequestWrapper request, final HttpRoute route) throws ProtocolException {
    try {
        URI uri = request.getURI();
        if (route.getProxyHost() != null && !route.isTunnelled()) {
            // Make sure the request URI is absolute
            if (!uri.isAbsolute()) {
                HttpHost target = route.getTargetHost();
                uri = URIUtils.rewriteURI(uri, target);
                request.setURI(uri);
            }
        } else {
            // Make sure the request URI is relative
            if (uri.isAbsolute()) {
                uri = URIUtils.rewriteURI(uri, null);
                request.setURI(uri);
            }
        }
    } catch (URISyntaxException ex) {
        throw new ProtocolException("Invalid URI: " + request.getRequestLine().getUri(), ex);
    }
}

Example 9 with ProtocolException

use of org.apache.http.ProtocolException in project XobotOS by xamarin.

the class HttpService method handleException.

protected void handleException(final HttpException ex, final HttpResponse response) {
    if (ex instanceof MethodNotSupportedException) {
        response.setStatusCode(HttpStatus.SC_NOT_IMPLEMENTED);
    } else if (ex instanceof UnsupportedHttpVersionException) {
        response.setStatusCode(HttpStatus.SC_HTTP_VERSION_NOT_SUPPORTED);
    } else if (ex instanceof ProtocolException) {
        response.setStatusCode(HttpStatus.SC_BAD_REQUEST);
    } else {
        response.setStatusCode(HttpStatus.SC_INTERNAL_SERVER_ERROR);
    }
    byte[] msg = EncodingUtils.getAsciiBytes(ex.getMessage());
    ByteArrayEntity entity = new ByteArrayEntity(msg);
    entity.setContentType("text/plain; charset=US-ASCII");
    response.setEntity(entity);
}

Example 10 with ProtocolException

use of org.apache.http.ProtocolException in project XobotOS by xamarin.

the class RequestContent method process.

public void process(final HttpRequest request, final HttpContext context) throws HttpException, IOException {
    if (request == null) {
        throw new IllegalArgumentException("HTTP request may not be null");
    }
    if (request instanceof HttpEntityEnclosingRequest) {
        if (request.containsHeader(HTTP.TRANSFER_ENCODING)) {
            throw new ProtocolException("Transfer-encoding header already present");
        }
        if (request.containsHeader(HTTP.CONTENT_LEN)) {
            throw new ProtocolException("Content-Length header already present");
        }
        ProtocolVersion ver = request.getRequestLine().getProtocolVersion();
        HttpEntity entity = ((HttpEntityEnclosingRequest) request).getEntity();
        if (entity == null) {
            request.addHeader(HTTP.CONTENT_LEN, "0");
            return;
        }
        // Must specify a transfer encoding or a content length 
        if (entity.isChunked() || entity.getContentLength() < 0) {
            if (ver.lessEquals(HttpVersion.HTTP_1_0)) {
                throw new ProtocolException("Chunked transfer encoding not allowed for " + ver);
            }
            request.addHeader(HTTP.TRANSFER_ENCODING, HTTP.CHUNK_CODING);
        } else {
            request.addHeader(HTTP.CONTENT_LEN, Long.toString(entity.getContentLength()));
        }
        // Specify a content type if known
        if (entity.getContentType() != null && !request.containsHeader(HTTP.CONTENT_TYPE)) {
            request.addHeader(entity.getContentType());
        }
        // Specify a content encoding if known
        if (entity.getContentEncoding() != null && !request.containsHeader(HTTP.CONTENT_ENCODING)) {
            request.addHeader(entity.getContentEncoding());
        }
    }
}