Package org.apache.http

Examples of org.apache.http.ProtocolException

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                    }

                    final URI uri = currentRequest.getURI();
                    final HttpHost newTarget = URIUtils.extractHost(uri);
                    if (newTarget == null) {
                        throw new ProtocolException("Redirect URI does not specify a valid host name: " +
                                uri);
                    }

                    // Reset virtual host and auth states if redirecting to another host
                    if (!currentRoute.getTargetHost().equals(newTarget)) {
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        //get the location header to find out where to redirect to
        final 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");
        }
        final String location = locationHeader.getValue();
        if (this.log.isDebugEnabled()) {
            this.log.debug("Redirect requested to location '" + location + "'");
        }

        final RequestConfig config = clientContext.getRequestConfig();

        URI uri = createLocationURI(location);

        // rfc2616 demands the location value be a complete URI
        // Location       = "Location" ":" absoluteURI
        try {
            if (!uri.isAbsolute()) {
                if (!config.isRelativeRedirectsAllowed()) {
                    throw new ProtocolException("Relative redirect location '"
                            + uri + "' not allowed");
                }
                // Adjust location URI
                final HttpHost target = clientContext.getTargetHost();
                Asserts.notNull(target, "Target host");
                final URI requestURI = new URI(request.getRequestLine().getUri());
                final URI absoluteRequestURI = URIUtils.rewriteURI(requestURI, target, false);
                uri = URIUtils.resolve(absoluteRequestURI, uri);
            }
        } catch (final URISyntaxException ex) {
            throw new ProtocolException(ex.getMessage(), ex);
        }

        RedirectLocations redirectLocations = (RedirectLocations) clientContext.getAttribute(
                HttpClientContext.REDIRECT_LOCATIONS);
        if (redirectLocations == null) {
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            if (TextUtils.isEmpty(path)) {
                b.setPath("/");
            }
            return b.build();
        } catch (final URISyntaxException ex) {
            throw new ProtocolException("Invalid redirect URI: " + location, ex);
        }
    }
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        }
       
        if (auth != null) {
            int i = auth.indexOf(' ');
            if (i == -1) {
                throw new ProtocolException("Invalid Authorization header: " + auth);
            }
            String authscheme = auth.substring(0, i);
            if (authscheme.equalsIgnoreCase("basic")) {
                String s = auth.substring(i + 1).trim();
                byte[] credsRaw = s.getBytes(HTTP.ASCII);
                BinaryDecoder codec = new Base64();
                try {
                    String creds = new String(codec.decode(credsRaw), HTTP.ASCII);
                    context.setAttribute("creds", creds);
                } catch (DecoderException ex) {
                    throw new ProtocolException("Malformed BASIC credentials");
                }
            }
        }
    }
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                }
                state.setRedirect(null);

                final HttpHost newTarget = URIUtils.extractHost(uri);
                if (newTarget == null) {
                    throw new ProtocolException("Redirect URI does not specify a valid host name: " + uri);
                }

                // Reset auth states if redirecting to another host
                final HttpRoute route = state.getRoute();
                if (!route.getTargetHost().equals(newTarget)) {
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                    }
                }
                request.setURI(uri);
            }
        } catch (final URISyntaxException ex) {
            throw new ProtocolException("Invalid URI: " +
                    request.getRequestLine().getUri(), ex);
        }
    }
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        }
        //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();
        // rfc2616 demands the location value be a complete URI
        // 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;
            }
           
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        }
        //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();
        // rfc2616 demands the location value be a complete URI
        // 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");
            }
            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;
            }
           
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        int minor;
        if (s == null) {
            throw new IllegalArgumentException("String may not be null");
        }
        if (!s.startsWith("HTTP/")) {
            throw new ProtocolException("Invalid HTTP version string: " + s);
        }
        int i1 = "HTTP/".length();
        int i2 = s.indexOf(".", i1);
        if (i2 == -1) {
            throw new ProtocolException("Invalid HTTP version number: " + s);
        }
        try {
            major = Integer.parseInt(s.substring(i1, i2));
        } catch (NumberFormatException e) {
            throw new ProtocolException("Invalid HTTP major version number: " + s);
        }
        i1 = i2 + 1;
        i2 = s.length();
        try {
            minor = Integer.parseInt(s.substring(i1, i2));
        } catch (NumberFormatException e) {
            throw new ProtocolException("Invalid HTTP minor version number: " + s);
        }
        return new HttpVersion(major, minor);

    }
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            }

            if (auth != null) {
                int i = auth.indexOf(' ');
                if (i == -1) {
                    throw new ProtocolException("Invalid Authorization header: " + auth);
                }
                String authscheme = auth.substring(0, i);
                if (authscheme.equalsIgnoreCase("basic")) {
                    String s = auth.substring(i + 1).trim();
                    byte[] credsRaw = s.getBytes(HTTP.ASCII);
                    BinaryDecoder codec = new Base64();
                    try {
                        String creds = new String(codec.decode(credsRaw), HTTP.ASCII);
                        context.setAttribute("proxy-creds", creds);
                    } catch (DecoderException ex) {
                        throw new ProtocolException("Malformed BASIC credentials");
                    }
                }
            }
        }
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