Annotation of /trunk/AssetServer/Extensions/BrowseFrontend.cs
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Revision 69 - (view) (download)
| 1 : | jhurliman | 49 | /* |
| 2 : | * Copyright (c) 2008 Intel Corporation | ||
| 3 : | * All rights reserved. | ||
| 4 : | * Redistribution and use in source and binary forms, with or without | ||
| 5 : | * modification, are permitted provided that the following conditions | ||
| 6 : | * are met: | ||
| 7 : | * | ||
| 8 : | * -- Redistributions of source code must retain the above copyright | ||
| 9 : | * notice, this list of conditions and the following disclaimer. | ||
| 10 : | * -- Redistributions in binary form must reproduce the above copyright | ||
| 11 : | * notice, this list of conditions and the following disclaimer in the | ||
| 12 : | * documentation and/or other materials provided with the distribution. | ||
| 13 : | * -- Neither the name of the Intel Corporation nor the names of its | ||
| 14 : | * contributors may be used to endorse or promote products derived from | ||
| 15 : | * this software without specific prior written permission. | ||
| 16 : | * | ||
| 17 : | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
| 18 : | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
| 19 : | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A | ||
| 20 : | * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE INTEL OR ITS | ||
| 21 : | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | ||
| 22 : | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | ||
| 23 : | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | ||
| 24 : | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | ||
| 25 : | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | ||
| 26 : | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | ||
| 27 : | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
| 28 : | */ | ||
| 29 : | |||
| 30 : | using System; | ||
| 31 : | using System.Collections.Generic; | ||
| 32 : | using System.Collections.Specialized; | ||
| 33 : | using System.Net; | ||
| 34 : | using System.Text; | ||
| 35 : | using System.Web; | ||
| 36 : | using ExtensionLoader; | ||
| 37 : | using OpenMetaverse; | ||
| 38 : | jhurliman | 57 | using HttpServer; |
| 39 : | jhurliman | 49 | |
| 40 : | namespace AssetServer.Extensions | ||
| 41 : | { | ||
| 42 : | public class BrowseFrontend : IExtension<AssetServer> | ||
| 43 : | { | ||
| 44 : | AssetServer server; | ||
| 45 : | |||
| 46 : | public BrowseFrontend() | ||
| 47 : | { | ||
| 48 : | } | ||
| 49 : | |||
| 50 : | public void Start(AssetServer server) | ||
| 51 : | { | ||
| 52 : | this.server = server; | ||
| 53 : | |||
| 54 : | // Request for / or /?... | ||
| 55 : | server.HttpServer.AddHandler("get", null, @"(^/$)|(^/\?.*)", BrowseRequestHandler); | ||
| 56 : | } | ||
| 57 : | |||
| 58 : | public void Stop() | ||
| 59 : | { | ||
| 60 : | } | ||
| 61 : | |||
| 62 : | jhurliman | 57 | bool BrowseRequestHandler(IHttpClientContext client, IHttpRequest request, IHttpResponse response) |
| 63 : | jhurliman | 49 | { |
| 64 : | const int ASSETS_PER_PAGE = 25; | ||
| 65 : | const string HEADER = "<html><head><title>Asset Server</title></head><body>"; | ||
| 66 : | const string TABLE_HEADER = | ||
| 67 : | "<table><tr><th>Name</th><th>Description</th><th>Type</th><th>ID</th><th>Temporary</th><th>SHA-1</th></tr>"; | ||
| 68 : | const string TABLE_FOOTER = "</table>"; | ||
| 69 : | const string FOOTER = "</body></html>"; | ||
| 70 : | |||
| 71 : | jhurliman | 57 | UUID authToken = Utils.GetAuthToken(request); |
| 72 : | jhurliman | 49 | |
| 73 : | StringBuilder html = new StringBuilder(); | ||
| 74 : | int start = 0; | ||
| 75 : | uint page = 0; | ||
| 76 : | |||
| 77 : | jhurliman | 57 | if (!String.IsNullOrEmpty(request.Uri.Query)) |
| 78 : | jhurliman | 49 | { |
| 79 : | jhurliman | 57 | NameValueCollection query = HttpUtility.ParseQueryString(request.Uri.Query); |
| 80 : | jhurliman | 49 | if (!String.IsNullOrEmpty(query["page"]) && UInt32.TryParse(query["page"], out page)) |
| 81 : | start = (int)page * ASSETS_PER_PAGE; | ||
| 82 : | } | ||
| 83 : | |||
| 84 : | html.AppendLine(HEADER); | ||
| 85 : | |||
| 86 : | html.AppendLine("<p>"); | ||
| 87 : | if (page > 0) | ||
| 88 : | jhurliman | 57 | html.AppendFormat("<a href=\"{0}?page={1}\">< Previous Page</a> | ", request.Uri.AbsolutePath, page - 1); |
| 89 : | html.AppendFormat("<a href=\"{0}?page={1}\">Next Page ></a>", request.Uri.AbsolutePath, page + 1); | ||
| 90 : | jhurliman | 49 | html.AppendLine("</p>"); |
| 91 : | |||
| 92 : | html.AppendLine(TABLE_HEADER); | ||
| 93 : | |||
| 94 : | server.StorageProvider.ForEach( | ||
| 95 : | delegate(Metadata data) | ||
| 96 : | { | ||
| 97 : | jhurliman | 69 | if (server.AuthorizationProvider.IsMetadataAuthorized(authToken, data.ID)) |
| 98 : | { | ||
| 99 : | html.AppendLine(String.Format( | ||
| 100 : | "<tr><td>{0}</td><td>{1}</td><td>{2}</td><td>{3}</td><td>{4}</td><td>{5}</td></tr>", | ||
| 101 : | data.Name, data.Description, data.ContentType, data.ID, data.Temporary, | ||
| 102 : | BitConverter.ToString(data.SHA1).Replace("-", String.Empty))); | ||
| 103 : | } | ||
| 104 : | else | ||
| 105 : | { | ||
| 106 : | html.AppendLine(String.Format( | ||
| 107 : | "<tr><td>[Protected Asset]</td><td> </td><td> </td><td>{0}</td><td>{1}</td><td> </td></tr>", | ||
| 108 : | data.ID, data.Temporary)); | ||
| 109 : | } | ||
| 110 : | }, start, ASSETS_PER_PAGE | ||
| 111 : | jhurliman | 49 | ); |
| 112 : | |||
| 113 : | html.AppendLine(TABLE_FOOTER); | ||
| 114 : | |||
| 115 : | html.AppendLine(FOOTER); | ||
| 116 : | |||
| 117 : | jhurliman | 57 | byte[] responseData = System.Text.Encoding.UTF8.GetBytes(html.ToString()); |
| 118 : | jhurliman | 49 | |
| 119 : | jhurliman | 57 | response.Status = HttpStatusCode.OK; |
| 120 : | response.Body.Write(responseData, 0, responseData.Length); | ||
| 121 : | response.Body.Flush(); | ||
| 122 : | return true; | ||
| 123 : | jhurliman | 49 | } |
| 124 : | } | ||
| 125 : | } |
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