1 | "use strict";
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2 | Object.defineProperty(exports, "__esModule", { value: true });
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3 | exports.serverOPDS_browse_v1 = exports.serverOPDS_browse_v1_PATH = void 0;
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4 | const tslib_1 = require("tslib");
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5 | const debug_ = require("debug");
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6 | const express = require("express");
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7 | const morgan = require("morgan");
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8 | const request = require("request");
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9 | const requestPromise = require("request-promise-native");
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10 | const xmldom = require("xmldom");
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11 | const opds_1 = require("r2-opds-js/dist/es7-es2016/src/opds/opds1/opds");
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12 | const opds_entry_1 = require("r2-opds-js/dist/es7-es2016/src/opds/opds1/opds-entry");
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13 | const UrlUtils_1 = require("r2-utils-js/dist/es7-es2016/src/_utils/http/UrlUtils");
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14 | const BufferUtils_1 = require("r2-utils-js/dist/es7-es2016/src/_utils/stream/BufferUtils");
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15 | const xml_js_mapper_1 = require("r2-utils-js/dist/es7-es2016/src/_utils/xml-js-mapper");
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16 | const request_ext_1 = require("./request-ext");
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17 | const server_lcp_lsd_show_1 = require("./server-lcp-lsd-show");
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18 | const server_trailing_slash_redirect_1 = require("./server-trailing-slash-redirect");
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19 | const server_url_1 = require("./server-url");
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20 | const debug = debug_("r2:streamer#http/server-opds-browse-v1");
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21 | exports.serverOPDS_browse_v1_PATH = "/opds-v1-browse";
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22 | function serverOPDS_browse_v1(_server, topRouter) {
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23 | const routerOPDS_browse_v1 = express.Router({ strict: false });
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24 | routerOPDS_browse_v1.use(morgan("combined", { stream: { write: (msg) => debug(msg) } }));
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25 | routerOPDS_browse_v1.use(server_trailing_slash_redirect_1.trailingSlashRedirect);
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26 | routerOPDS_browse_v1.get("/", (_req, res) => {
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27 | let html = "<html><head>";
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28 | html += `<script type="text/javascript">function encodeURIComponent_RFC3986(str) { ` +
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29 | `return encodeURIComponent(str).replace(/[!'()*]/g, (c) => { ` +
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30 | `return "%" + c.charCodeAt(0).toString(16); }); }` +
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31 | `function go(evt) {` +
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32 | `if (evt) { evt.preventDefault(); } var url = ` +
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33 | `location.origin +` +
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34 | ` '${exports.serverOPDS_browse_v1_PATH}/' +` +
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35 | ` encodeURIComponent_RFC3986(document.getElementById("url").value);` +
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36 | `location.href = url;}</script>`;
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37 | html += "</head>";
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38 | html += "<body><h1>OPDS feed browser</h1>";
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39 | html += `<form onsubmit="go();return false;">` +
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40 | `<input type="text" name="url" id="url" size="80">` +
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41 | `<input type="submit" value="Go!"></form>`;
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42 | html += "</body></html>";
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43 | res.status(200).send(html);
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44 | });
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45 | routerOPDS_browse_v1.param("urlEncoded", (req, _res, next, value, _name) => {
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46 | req.urlEncoded = value;
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47 | next();
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48 | });
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49 | routerOPDS_browse_v1.get("/:" + request_ext_1._urlEncoded + "(*)", (req, res) => tslib_1.__awaiter(this, void 0, void 0, function* () {
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50 | const reqparams = req.params;
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51 | if (!reqparams.urlEncoded) {
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52 | reqparams.urlEncoded = req.urlEncoded;
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53 | }
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54 | const urlDecoded = reqparams.urlEncoded;
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55 | debug(urlDecoded);
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56 | const failure = (err) => {
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57 | debug(err);
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58 | res.status(500).send("<html><body><p>Internal Server Error</p><p>"
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59 | + err + "</p></body></html>");
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60 | };
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61 | const success = (response) => tslib_1.__awaiter(this, void 0, void 0, function* () {
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62 | if (response.statusCode && (response.statusCode < 200 || response.statusCode >= 300)) {
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63 | failure("HTTP CODE " + response.statusCode);
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64 | return;
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65 | }
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66 | let responseData;
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67 | try {
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68 | responseData = yield BufferUtils_1.streamToBufferPromise(response);
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69 | }
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70 | catch (err) {
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71 | debug(err);
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72 | res.status(500).send("<html><body><p>Internal Server Error</p><p>"
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73 | + err + "</p></body></html>");
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74 | return;
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75 | }
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76 | const responseStr = responseData.toString("utf8");
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77 | const responseXml = new xmldom.DOMParser().parseFromString(responseStr);
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78 | if (!responseXml || !responseXml.documentElement) {
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79 | res.status(500).send("<html><body><p>Internal Server Error</p><p>"
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80 | + "XML parse fail" + "</p></body></html>");
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81 | return;
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82 | }
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83 | const isEntry = responseXml.documentElement.localName === "entry";
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84 | let opds;
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85 | let opdsEntry;
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86 | if (isEntry) {
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87 | opdsEntry = xml_js_mapper_1.XML.deserialize(responseXml, opds_entry_1.Entry);
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88 | }
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89 | else {
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90 | opds = xml_js_mapper_1.XML.deserialize(responseXml, opds_1.OPDS);
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91 | }
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92 | let html = "<html><head>";
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93 | html += "</head>";
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94 | html += "<body><h1>" + urlDecoded + "</h1>";
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95 | if (opds && opds.Title) {
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96 | html += "<h2>" + opds.Title + "</h2>";
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97 | }
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98 | if (opdsEntry && opdsEntry.Title) {
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99 | html += "<h2>" + opdsEntry.Title + "</h2>";
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100 | }
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101 | if (opds && opds.Icon) {
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102 | const iconUrl = UrlUtils_1.ensureAbsolute(urlDecoded, opds.Icon);
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103 | html += "<img src='" + iconUrl + "' alt='' />";
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104 | }
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105 | const links = opds ? opds.Links : (opdsEntry ? opdsEntry.Links : undefined);
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106 | if (links && links.length) {
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107 | html += "<p>";
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108 | links.forEach((link) => {
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109 | if (link.Type &&
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110 | (link.Type.indexOf("opds-catalog") >= 0 || link.Type === "application/atom+xml")) {
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111 | const linkUrl = UrlUtils_1.ensureAbsolute(urlDecoded, link.Href);
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112 | const opdsUrl = req.originalUrl.substr(0, req.originalUrl.indexOf(exports.serverOPDS_browse_v1_PATH + "/"))
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113 | + exports.serverOPDS_browse_v1_PATH + "/" + UrlUtils_1.encodeURIComponent_RFC3986(linkUrl);
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114 | html += "<a href='" + opdsUrl
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115 | + "'>" + link.Href + "</a> (TITLE: " + link.Title
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116 | + ") [REL: " + link.Rel + "]<br/>";
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117 | }
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118 | });
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119 | html += "</p>";
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120 | }
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121 | function processEntry(entry) {
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122 | html += "<hr/>";
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123 | html += "<div>";
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124 | if (opds) {
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125 | html += "<h3>" + entry.Title + "</h3>";
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126 | }
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127 | if (entry.Summary) {
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128 | if (!entry.SummaryType || entry.SummaryType === "text") {
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129 | html += "<strong>" + entry.Summary + "</strong>";
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130 | }
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131 | else if (entry.SummaryType === "html") {
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132 | html += "<div>" + entry.Summary + "</div>";
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133 | }
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134 | html += "<br/>";
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135 | }
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136 | if (entry.Content) {
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137 | if (!entry.ContentType || entry.ContentType === "text") {
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138 | html += "<strong>" + entry.Content + "</strong>";
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139 | }
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140 | else if (entry.ContentType === "html") {
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141 | html += "<div>" + entry.Content + "</div>";
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142 | }
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143 | html += "<br/>";
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144 | }
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145 | if (entry.Links && entry.Links.length) {
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146 | let image;
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147 | let imageThumbnail;
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148 | let epub;
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149 | entry.Links.forEach((link) => {
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150 | if (link.Type === "application/epub+zip") {
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151 | epub = link.Href;
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152 | }
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153 | if (link.HasRel("http://opds-spec.org/image")
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154 | || link.HasRel("x-stanza-cover-image")) {
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155 | image = link.Href;
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156 | }
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157 | if (link.HasRel("http://opds-spec.org/image/thumbnail")
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158 | || link.HasRel("http://opds-spec.org/thumbnail")
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159 | || link.HasRel("x-stanza-cover-image-thumbnail")) {
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160 | imageThumbnail = link.Href;
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161 | }
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162 | if (opds && link.Type &&
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163 | (link.Type.indexOf("opds-catalog") >= 0 || link.Type === "application/atom+xml")) {
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164 | const linkUrl = UrlUtils_1.ensureAbsolute(urlDecoded, link.Href);
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165 | const opdsUrl = req.originalUrl.substr(0, req.originalUrl.indexOf(exports.serverOPDS_browse_v1_PATH + "/"))
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166 | + exports.serverOPDS_browse_v1_PATH + "/" + UrlUtils_1.encodeURIComponent_RFC3986(linkUrl);
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167 | html += "<a href='" + opdsUrl
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168 | + "'>" + link.Href + "</a> (TITLE: " + link.Title
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169 | + ") [REL: " + link.Rel + "]<br/>";
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170 | }
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171 | else if (opds && link.Type &&
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172 | (link.Type === "application/vnd.readium.lcp.license.v1.0+json")) {
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173 | const linkUrl = UrlUtils_1.ensureAbsolute(urlDecoded, link.Href);
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174 | const opdsUrl = req.originalUrl.substr(0, req.originalUrl.indexOf(exports.serverOPDS_browse_v1_PATH + "/"))
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175 | + server_lcp_lsd_show_1.serverLCPLSD_show_PATH + "/" + UrlUtils_1.encodeURIComponent_RFC3986(linkUrl);
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176 | html += "<a href='" + opdsUrl
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177 | + "'>" + link.Href + "</a> (TITLE: " + link.Title
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178 | + ") [REL: " + link.Rel + "]<br/>";
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179 | }
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180 | });
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181 | if (imageThumbnail) {
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182 | const imageThumbnailUrl = UrlUtils_1.ensureAbsolute(urlDecoded, imageThumbnail);
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183 | if (image) {
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184 | const imageUrl = UrlUtils_1.ensureAbsolute(urlDecoded, image);
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185 | html += "<a href='" + imageUrl + "'><img src='"
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186 | + imageThumbnailUrl + "' alt='' /></a><br/>";
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187 | }
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188 | else {
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189 | html += "<img src='" + imageThumbnailUrl + "' alt='' /><br/>";
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190 | }
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191 | }
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192 | else if (image) {
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193 | const imageUrl = UrlUtils_1.ensureAbsolute(urlDecoded, image);
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194 | html += "<img src='" + imageUrl + "' alt='' /><br/>";
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195 | }
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196 | if (epub) {
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197 | const epub_ = UrlUtils_1.ensureAbsolute(urlDecoded, epub);
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198 | const epubUrl = req.originalUrl.substr(0, req.originalUrl.indexOf(exports.serverOPDS_browse_v1_PATH + "/"))
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199 | + server_url_1.serverRemotePub_PATH + "/" + UrlUtils_1.encodeURIComponent_RFC3986(epub_);
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200 | html += "<strong><a href='" + epubUrl + "'>" + epub + "</a></strong>";
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201 | }
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202 | }
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203 | html += "</div>";
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204 | }
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205 | if (opds && opds.Entries && opds.Entries.length) {
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206 | opds.Entries.forEach((entry) => {
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207 | processEntry(entry);
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208 | });
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209 | }
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210 | if (opdsEntry) {
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211 | processEntry(opdsEntry);
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212 | }
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213 | html += "</body></html>";
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214 | res.status(200).send(html);
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215 | });
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216 | const headers = {
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217 | "Accept": "application/json,application/xml",
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218 | "Accept-Language": "en-UK,en-US;q=0.7,en;q=0.5",
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219 | "User-Agent": "READIUM2",
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220 | };
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221 | const needsStreamingResponse = true;
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222 | if (needsStreamingResponse) {
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223 | request.get({
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224 | headers,
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225 | method: "GET",
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226 | uri: urlDecoded,
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227 | })
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228 | .on("response", success)
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229 | .on("error", failure);
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230 | }
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231 | else {
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232 | let response;
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233 | try {
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234 | response = yield requestPromise({
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235 | headers,
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236 | method: "GET",
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237 | resolveWithFullResponse: true,
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238 | uri: urlDecoded,
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239 | });
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240 | }
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241 | catch (err) {
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242 | failure(err);
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243 | return;
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244 | }
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245 | yield success(response);
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246 | }
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247 | }));
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248 | topRouter.use(exports.serverOPDS_browse_v1_PATH, routerOPDS_browse_v1);
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249 | }
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250 | exports.serverOPDS_browse_v1 = serverOPDS_browse_v1;
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251 |
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