Merge branch 'release/0.4.4'

0.4.3

client/components/Reader/HistoryPage/HistoryPage.vue

@@ -15,8 +15,14 @@
                     border
                     :default-sort = "{prop: 'touchDateTime', order: 'descending'}"
                     :header-cell-style = "headerCellStyle"
+                    :row-key = "rowKey"
                     >
 
+                    <el-table-column
+                        type="index"
+                        width="35px"
+                        >
+                    </el-table-column>
                     <el-table-column
                         prop="touchDateTime"
                         min-width="90px"
@@ -43,6 +49,7 @@
                                 placeholder="Найти"/-->
                                 <div class="el-input el-input--mini">
                                     <input class="el-input__inner"
+                                        ref="input"
                                         placeholder="Найти"
                                         style="margin: 0; padding: 0; vertical-align: bottom; margin-top: 20px; padding: 0 10px 0 10px"
                                         :value="search" @input="search = $event.target.value"
@@ -118,9 +125,16 @@ class HistoryPage extends Vue {
     created() {
     }
 
-    mounted() {
+    init() {
         this.updateTableData();
         this.mostRecentBook = bookManager.mostRecentBook();
+        this.$nextTick(() => {
+            this.$refs.input.focus();
+        });
+    }
+
+    rowKey(row) {
+        return row.key;
     }
 
     updateTableData() {
@@ -172,13 +186,15 @@ class HistoryPage extends Vue {
         }
 
         const search = this.search;
-        this.tableData = result.filter(item => {
+        result = result.filter(item => {
             return !search ||
                 item.touchTime.includes(search) ||
                 item.touchDate.includes(search) ||
                 item.desc.title.toLowerCase().includes(search.toLowerCase()) ||
                 item.desc.author.toLowerCase().includes(search.toLowerCase())
         });
+
+        this.tableData = result;
     }
 
     headerCellStyle(cell) {

client/components/Reader/Reader.vue

@@ -69,7 +69,7 @@
                 @stop-text-search="stopTextSearch">
             </SearchPage>
             <CopyTextPage v-if="copyTextActive" ref="copyTextPage" @copy-text-toggle="copyTextToggle"></CopyTextPage>            
-            <HistoryPage v-if="historyActive" ref="historyPage" @load-book="loadBook" @history-toggle="historyToggle"></HistoryPage>
+            <HistoryPage v-show="historyActive" ref="historyPage" @load-book="loadBook" @history-toggle="historyToggle"></HistoryPage>
             <SettingsPage v-if="settingsActive" ref="settingsPage" @settings-toggle="settingsToggle"></SettingsPage>
             <HelpPage v-if="helpActive" ref="helpPage" @help-toggle="helpToggle"></HelpPage>
             <ClickMapPage v-show="clickMapActive" ref="clickMapPage"></ClickMapPage>
@@ -415,6 +415,7 @@ class Reader extends Vue {
         this.historyActive = !this.historyActive;
         if (this.historyActive) {
             this.closeAllTextPages();
+            this.$refs.historyPage.init();
             this.historyActive = true;
         } else {
             this.historyActive = false;
@@ -831,6 +832,8 @@ class Reader extends Vue {
                             break;
                         case 'KeyX':
                             this.historyToggle();
+                            event.preventDefault();
+                            event.stopPropagation();
                             break;
                         case 'KeyS':
                             this.settingsToggle();

client/components/Reader/SettingsPage/SettingsPage.vue

@@ -185,7 +185,7 @@
                                 <el-checkbox v-model="wordWrap">Перенос по слогам</el-checkbox>
                             </el-form-item>
                             <el-form-item label="Обработка">
-                                <el-checkbox v-model="cutEmptyParagraphs">Убирать пустые параграфы</el-checkbox>
+                                <el-checkbox v-model="cutEmptyParagraphs">Убирать пустые строки</el-checkbox>
                             </el-form-item>
                             <el-form-item label="">
                                 <el-col :span="12">
@@ -212,7 +212,9 @@
                                 </el-col>
                             </el-form-item>
                             <el-form-item label="">
-                                    Размер изображения
+                                    <el-col :span="12">
+                                        Размер не более
+                                    </el-col>
                                     <el-tooltip :open-delay="500" effect="light" placement="top">
                                         <template slot="content">
                                             Определяет высоту изображения количеством строк.<br>
@@ -437,11 +439,12 @@ class SettingsPage extends Vue {
           '#000000',
           '#202020',
           '#ebe2c9',
+          '#cfdc99',
+          '#478355',
+          '#a6caf0',
           '#909080',
           '#808080',
           '#c8c8c8',
-          '#478355',
-          '#a6caf0',
         ];
     }
 

client/components/Reader/TextPage/DrawHelper.js

@@ -28,7 +28,7 @@ export default class DrawHelper {
 
         let out = `<div style="width: ${this.w}px; height: ${this.h}px;` + 
             ` position: absolute; top: ${this.fontSize*this.textShift}px; color: ${this.textColor}; font: ${font}; ${justify}` +
-            ` line-height: ${this.lineHeight}px;">`;
+            ` line-height: ${this.lineHeight}px; white-space: nowrap;">`;
 
         let imageDrawn = new Set();
         let len = lines.length;
@@ -91,21 +91,20 @@ export default class DrawHelper {
                 } else
                     text = part.text;
 
-                if (text.trim() == '')
+                if (text && text.trim() == '')
                     text = `<span style="white-space: pre">${text}</span>`;
 
                 lineText += `${tOpen}${text}${tClose}`;
 
                 center = center || part.style.center;
-                space = (part.style.space > 0 ? part.style.space : space);
+                space = (part.style.space > space ? part.style.space : space);
 
                 //избражения
                 //image: {local: Boolean, inline: Boolean, id: String, imageLine: Number, lineCount: Number, paraIndex: Number},
                 const img = part.image;
                 if (img && img.id && !img.inline && !imageDrawn.has(img.paraIndex)) {
-                    if (img.local) {
-                        const bin = this.parsed.binary[img.id];
-
+                    const bin = this.parsed.binary[img.id];
+                    if (bin) {
                         let imgH = img.lineCount*this.lineHeight;
                         imgH = (imgH <= bin.h ? imgH : bin.h);
                         let imgW = bin.w;
@@ -118,9 +117,11 @@ export default class DrawHelper {
 
                         const left = (this.w - imgW)/2;
                         const top = ((img.lineCount*this.lineHeight - imgH)/2) + (i - img.imageLine)*this.lineHeight;
-                        lineText += `<img src="data:${bin.type};base64,${bin.data}" style="position: absolute; left: ${left}px; top: ${top}px; ${resize}"/>`;
-                    } else {
-                        //
+                        if (img.local) {
+                            lineText += `<img src="data:${bin.type};base64,${bin.data}" style="position: absolute; left: ${left}px; top: ${top}px; ${resize}"/>`;
+                        } else {
+                            lineText += `<img src="${img.id}" style="position: absolute; left: ${left}px; top: ${top}px; ${resize}"/>`;
+                        }
                     }
                     imageDrawn.add(img.paraIndex);
                 }
@@ -128,11 +129,13 @@ export default class DrawHelper {
                 if (img && img.id && img.inline) {
                     if (img.local) {
                         const bin = this.parsed.binary[img.id];
-                        let resize = '';
-                        if (bin.h > this.fontSize) {
-                            resize = `height: ${this.fontSize - 3}px`;
+                        if (bin) {
+                            let resize = '';
+                            if (bin.h > this.fontSize) {
+                                resize = `height: ${this.fontSize - 3}px`;
+                            }
+                            lineText += `<img src="data:${bin.type};base64,${bin.data}" style="${resize}"/>`;
                         }
-                        lineText += `<img src="data:${bin.type};base64,${bin.data}" style="${resize}"/>`;
                     } else {
                         //
                     }

client/components/Reader/share/BookParser.js

@@ -45,6 +45,9 @@ export default class BookParser {
         let italic = false;
         let space = 0;
         let inPara = false;
+        let isFirstBody = true;
+        let isFirstSection = true;
+        let isFirstTitlePara = false;
 
         this.binary = {};
         let binaryId = '';
@@ -78,6 +81,10 @@ export default class BookParser {
                     resolve();
                 };
 
+                i.onerror = (e) => {
+                    reject(e);
+                };
+
                 i.src = `data:${binaryType};base64,${data}`;
                 await sleep(30*1000);
                 if (!resolved)
@@ -85,6 +92,30 @@ export default class BookParser {
             });
         };
 
+        const getExternalImageDimensions = (src) => {
+            return new Promise (async(resolve, reject) => {
+                const i = new Image();
+                let resolved = false;
+                i.onload = () => {
+                    resolved = true;
+                    this.binary[src] = {
+                        w: i.width,
+                        h: i.height,
+                    };
+                    resolve();
+                };
+
+                i.onerror = (e) => {
+                    reject(e);
+                };
+
+                i.src = src;
+                await sleep(30*1000);
+                if (!resolved)
+                    reject('Не удалось получить размер изображения');
+            });
+        };
+
         const newParagraph = (text, len, addIndex) => {
             paraIndex++;
             let p = {
@@ -147,33 +178,47 @@ export default class BookParser {
 
             if (tag == 'binary') {
                 let attrs = sax.getAttrsSync(tail);
-                binaryType = (attrs['content-type'].value ? attrs['content-type'].value : '');
+                binaryType = (attrs['content-type'] && attrs['content-type'].value ? attrs['content-type'].value : '');
                 if (binaryType == 'image/jpeg' || binaryType == 'image/png')
                     binaryId = (attrs.id.value ? attrs.id.value : '');
             }
 
             if (tag == 'image') {
                 let attrs = sax.getAttrsSync(tail);
-                if (attrs.href.value) {
-                    if (inPara && !this.showInlineImagesInCenter)
-                        growParagraph(`<image-inline href="${attrs.href.value}"></image-inline>`, 0);
-                    else
-                        newParagraph(`<image href="${attrs.href.value}">${' '.repeat(maxImageLineCount)}</image>`, maxImageLineCount);
-
-                    if (inPara && this.showInlineImagesInCenter)
-                        newParagraph(' ', 1);
+                if (attrs.href && attrs.href.value) {
+                    const href = attrs.href.value;
+                    if (href[0] == '#') {//local
+                        if (inPara && !this.showInlineImagesInCenter && !center)
+                            growParagraph(`<image-inline href="${href}"></image-inline>`, 0);
+                        else
+                            newParagraph(`<image href="${href}">${' '.repeat(maxImageLineCount)}</image>`, maxImageLineCount);
+                        if (inPara && this.showInlineImagesInCenter)
+                            newParagraph(' ', 1);
+                    } else {//external
+                        dimPromises.push(getExternalImageDimensions(href));
+                        newParagraph(`<image href="${href}">${' '.repeat(maxImageLineCount)}</image>`, maxImageLineCount);
+                    }
                 }
             }
 
             if (path.indexOf('/fictionbook/body') == 0) {
+                if (tag == 'body') {
+                    if (!isFirstBody)
+                        newParagraph(' ', 1);
+                    isFirstBody = false;
+                }
+
                 if (tag == 'title') {
                     newParagraph(' ', 1);
+                    isFirstTitlePara = true;
                     bold = true;
                     center = true;
                 }
 
                 if (tag == 'section') {
-                    newParagraph(' ', 1);
+                    if (!isFirstSection)
+                        newParagraph(' ', 1);
+                    isFirstSection = false;
                 }
 
                 if (tag == 'emphasis' || tag == 'strong') {
@@ -181,13 +226,17 @@ export default class BookParser {
                 }
 
                 if ((tag == 'p' || tag == 'empty-line' || tag == 'v')) {
-                    newParagraph(' ', 1);
-                    if (tag == 'p')
+                    if (!(tag == 'p' && isFirstTitlePara))
+                        newParagraph(' ', 1);
+                    if (tag == 'p') {
                         inPara = true;
+                        isFirstTitlePara = false;
+                    }
                 }
 
                 if (tag == 'subtitle') {
                     newParagraph(' ', 1);
+                    isFirstTitlePara = true;
                     bold = true;
                 }
 
@@ -215,6 +264,7 @@ export default class BookParser {
             
                 if (path.indexOf('/fictionbook/body') == 0) {
                     if (tag == 'title') {
+                        isFirstTitlePara = false;
                         bold = false;
                         center = false;
                     }
@@ -228,6 +278,7 @@ export default class BookParser {
                     }
 
                     if (tag == 'subtitle') {
+                        isFirstTitlePara = false;
                         bold = false;
                     }
 
@@ -260,10 +311,10 @@ export default class BookParser {
             text = text.replace(/>/g, '&gt;');
             text = text.replace(/</g, '&lt;');
 
-            if (text != ' ' && text.trim() == '')
-                text = text.trim();
+            if (text && text.trim() == '')
+                text = (text.indexOf(' ') >= 0 ? ' ' : '');
 
-            if (text == '')
+            if (!text)
                 return;
 
             text = text.replace(/[\t\n\r]/g, ' ');
@@ -315,13 +366,7 @@ export default class BookParser {
             }
 
             if (path.indexOf('/fictionbook/body/section') == 0) {
-                switch (tag) {
-                    case 'p':
-                        growParagraph(`${tOpen}${text}${tClose}`, text.length);
-                        break;
-                    default:
-                        growParagraph(`${tOpen}${text}${tClose}`, text.length);
-                }
+                growParagraph(`${tOpen}${text}${tClose}`, text.length);
             }
 
             if (binaryId) {
@@ -409,14 +454,14 @@ export default class BookParser {
                     break;
                 case 'space': {
                     let attrs = sax.getAttrsSync(tail);
-                    if (attrs.w.value)
+                    if (attrs.w && attrs.w.value)
                         style.space = attrs.w.value;
                     break;
                 }
                 case 'image': {
                     let attrs = sax.getAttrsSync(tail);
-                    let id = attrs.href.value;
-                    if (id) {
+                    if (attrs.href && attrs.href.value) {
+                        let id = attrs.href.value;
                         let local = false;
                         if (id[0] == '#') {
                             id = id.substr(1);
@@ -428,8 +473,8 @@ export default class BookParser {
                 }
                 case 'image-inline': {
                     let attrs = sax.getAttrsSync(tail);
-                    let id = attrs.href.value;
-                    if (id) {
+                    if (attrs.href && attrs.href.value) {
+                        let id = attrs.href.value;
                         let local = false;
                         if (id[0] == '#') {
                             id = id.substr(1);
@@ -616,7 +661,9 @@ export default class BookParser {
             //изображения
             if (part.image.id && !part.image.inline) {
                 parsed.visible = this.showImages;
-                const bin = this.binary[part.image.id];
+                let bin = this.binary[part.image.id];
+                if (!bin)
+                    bin = {h: 0, w: 0};
 
                 let lineCount = this.imageHeightLines;
                 const c = Math.ceil(bin.h/this.lineHeight);
@@ -643,15 +690,18 @@ export default class BookParser {
                 line.last = true;
                 line.parts.push({style, text: ' ',
                     image: {local: part.image.local, inline: false, id: part.image.id, imageLine: i, lineCount, paraIndex}});
+                
                 continue;
             }
 
             if (part.image.id && part.image.inline && this.showImages) {
                 const bin = this.binary[part.image.id];
-                let imgH = (bin.h > this.fontSize ? this.fontSize : bin.h);
-                imgW += bin.w*imgH/bin.h;
-                line.parts.push({style, text: '',
-                    image: {local: part.image.local, inline: true, id: part.image.id}});
+                if (bin) {
+                    let imgH = (bin.h > this.fontSize ? this.fontSize : bin.h);
+                    imgW += bin.w*imgH/bin.h;
+                    line.parts.push({style, text: '',
+                        image: {local: part.image.local, inline: true, id: part.image.id}});
+                }
             }
 
             let words = part.text.split(' ');

package.json

@@ -1,6 +1,6 @@
 {
   "name": "Liberama",
-  "version": "0.4.1",
+  "version": "0.4.4",
   "engines": {
     "node": ">=10.0.0"
   },

server/core/BookConverter/index.js

@@ -9,6 +9,8 @@ const textUtils = require('./textUtils');
 const FileDetector = require('../FileDetector');
 
 const repSpaces = (text) => text.replace(/ |[\t\n\r]/g, ' ');
+const repSpaces2 = (text) => text.replace(/[\n\r]/g, '');
+const repSpaces3 = (text) => text.replace(/ /g, ' ');
 
 class BookConverter {
     constructor() {
@@ -31,7 +33,7 @@ class BookConverter {
             if (parsedUrl.hostname == 'samlib.ru' ||
                 parsedUrl.hostname == 'budclub.ru' ||
                 parsedUrl.hostname == 'zhurnal.lib.ru') {
-                await fs.writeFile(outputFile, this.convertSamlib(data));
+                await fs.writeFile(outputFile, this.convertSamlib(data, parsedUrl.hostname));
                 return;
             }
 
@@ -65,7 +67,10 @@ class BookConverter {
             }
         }
 
-        return iconv.decode(data, selected);
+        if (selected.toLowerCase() != 'utf-8')
+            return iconv.decode(data, selected);
+        else
+            return data;
     }
 
     checkEncoding(data) {
@@ -107,19 +112,21 @@ class BookConverter {
         };
 
         const growParagraph = (text) => {
+            if (!pars.length)
+                newParagraph();
+
             const l = pars.length;
-            if (l) {
-                if (pars[l - 1]._t == '')
-                    text = text.trimLeft();
-                pars[l - 1]._t += text;
-            }
+            if (pars[l - 1]._t == '')
+                text = text.trimLeft();
+            pars[l - 1]._t += text;
 
             //посчитаем отступы у текста, чтобы выделить потом параграфы
             const lines = text.split('\n');
-            for (const line of lines) {
-                const sp = line.split(' ');
+            for (let line of lines) {
+                line = repSpaces2(line).replace(/\t/g, '    ');
+
                 let l = 0;
-                while (l < sp.length && sp[l].trim() == '') {
+                while (l < line.length && line[l] == ' ') {
                     l++;
                 }
                 if (!spaceCounter[l])
@@ -128,7 +135,6 @@ class BookConverter {
             }
         };
 
-        newParagraph();
         const newPara = new Set(['tr', 'br', 'br/', 'dd', 'p', 'title', '/title', 'h1', 'h2', 'h3', '/h1', '/h2', '/h3']);
 
         const onTextNode = (text, cutCounter, cutTag) => {// eslint-disable-line no-unused-vars
@@ -182,22 +188,28 @@ class BookConverter {
             };
 
             const growPar = (text) => {
+                if (!newPars.length)
+                    newPar();
+
                 const l = newPars.length;
-                if (l) {
-                    newPars[l - 1]._t += text;
-                }
+                newPars[l - 1]._t += text;
             }
 
+            i = 0;
             for (const par of pars) {
-                newPar();
+                if (i > 0)
+                    newPar();
+                i++;
 
                 const lines = par._t.split('\n');
-                for (const line of lines) {
-                    const sp = line.split(' ');
+                for (let line of lines) {
+                    line = repSpaces2(line).replace(/\t/g, '    ');
+
                     let l = 0;
-                    while (l < sp.length && sp[l].trim() == '') {
+                    while (l < line.length && line[l] == ' ') {
                         l++;
                     }
+
                     if (l >= parIndent)
                         newPar();
                     growPar(line.trim() + ' ');
@@ -216,7 +228,7 @@ class BookConverter {
         return this.formatFb2(fb2);
     }
 
-    convertSamlib(data) {
+    convertSamlib(data, hostname) {
         let titleInfo = {};
         let desc = {_n: 'description', 'title-info': titleInfo};
         let pars = [];
@@ -225,20 +237,23 @@ class BookConverter {
 
         let inSubtitle = false;
         let inJustify = true;
+        let inImage = false;
+        let isFirstPara = false;
         let path = '';
         let tag = '';// eslint-disable-line no-unused-vars
 
         let inText = false;
+        let textFound = false;
         let node = {_a: pars};
 
         let inPara = false;
         let italic = false;
         let bold = false;
 
-        const openTag = (name) => {
+        const openTag = (name, attrs) => {
             if (name == 'p')
                 inPara = true;
-            let n = {_n: name, _a: [], _p: node};
+            let n = {_n: name, _attrs: attrs, _a: [], _p: node};
             node._a.push(n);
             node = n;
         };
@@ -255,13 +270,17 @@ class BookConverter {
         };
 
         const growParagraph = (text) => {
+            if (!node._p) {
+                if (text.trim() != '')
+                    openTag('p');
+                else
+                    return;
+            }
             if (node._n == 'p' && node._a.length == 0)
                 text = text.trimLeft();
             node._a.push({_t: text});
         };
 
-        openTag('p');
-
         const onStartNode = (elemName, tail, singleTag, cutCounter, cutTag) => {// eslint-disable-line no-unused-vars
             if (elemName == '')
                 return;
@@ -269,28 +288,41 @@ class BookConverter {
                 path += '/' + elemName;
                 tag = elemName;
             } else {
-                if (inPara && elemName != 'i' && elemName != 'b')
-                    closeTag('p');
-
                 switch (elemName) {
                     case 'li':
                     case 'p':
                     case 'dd':
+                    case 'br':
+                        if (!(inSubtitle && isFirstPara)) {
+                            if (inPara)
+                                closeTag('p');
+                            openTag('p');
+                        }
+                        isFirstPara = false;
+                        break;
                     case 'h1':
                     case 'h2':
                     case 'h3':
+                        if (inPara)
+                            closeTag('p');
                         openTag('p');
+                        bold = true;
                         break;
                     case 'i':
+                    case 'em':
                         italic = true;
                         break;
                     case 'b':
+                    case 'strong':
                         bold = true;
                         break;
                     case 'div':
+                        if (inPara)
+                            closeTag('p');
                         if (tail.indexOf('align="center"') >= 0) {
                             openTag('subtitle');
                             inSubtitle = true;
+                            isFirstPara = true;
                         }
 
                         if (tail.indexOf('align="justify"') >= 0) {
@@ -299,6 +331,19 @@ class BookConverter {
                         }
 
                         break;
+                    case 'img': {
+                        if (inPara)
+                            closeTag('p');
+                        const attrs = sax.getAttrsSync(tail);
+                        if (attrs.src && attrs.src.value) {
+                            let href = attrs.src.value;
+                            if (href[0] == '/')
+                                href = `http://${hostname}${href}`;
+                            openTag('image', {href});
+                            inImage = true;
+                        }
+                        break;
+                    }
                 }
             }
         };
@@ -324,21 +369,27 @@ class BookConverter {
                     case 'li':
                     case 'p':
                     case 'dd':
+                        closeTag('p');
+                        break;
                     case 'h1':
                     case 'h2':
                     case 'h3':
                         closeTag('p');
+                        bold = false;
                         break;
                     case 'i':
+                    case 'em':
                         italic = false;
                         break;
                     case 'b':
+                    case 'strong':
                         bold = false;
                         break;
                     case 'div':
                         if (inSubtitle) {
                             closeTag('subtitle');
                             inSubtitle = false;
+                            isFirstPara = false;
                         }
 
                         if (inJustify) {
@@ -346,22 +397,29 @@ class BookConverter {
                             inJustify = false;
                         }
                         break;
+                    case 'img':
+                        if (inImage)
+                            closeTag('image');
+                        inImage = false;
+                        break;
                 }
             }
         };
 
         const onComment = (text) => {// eslint-disable-line no-unused-vars
-            if (text == '--------- Собственно произведение -------------')
+            if (text == '--------- Собственно произведение -------------') {
                 inText = true;
+                textFound = true;
+            }
             if (text == '-----------------------------------------------')
                 inText = false;
         };
 
         const onTextNode = (text) => {// eslint-disable-line no-unused-vars
-            if (text != ' ' && text.trim() == '')
-                text = text.trim();
+            if (text && text.trim() == '')
+                text = (text.indexOf(' ') >= 0 ? ' ' : '');
 
-            if (text == '')
+            if (!text)
                 return;
 
             switch (path) {
@@ -390,11 +448,15 @@ class BookConverter {
                 growParagraph(`${tOpen}${text}${tClose}`);
         };
 
-        sax.parseSync(repSpaces(this.decode(data).toString()), {
+        sax.parseSync(repSpaces3(this.decode(data).toString()), {
             onStartNode, onEndNode, onTextNode, onComment,
             innerCut: new Set(['head', 'script', 'style'])
         });
 
+        //текст не найден на странице, обрабатываем как html
+        if (!textFound)
+            return this.convertHtml(data);
+
         const title = (titleInfo['book-title'] ? titleInfo['book-title'] : '');
         let author = '';
         if (titleInfo.author) {
@@ -437,21 +499,36 @@ class BookConverter {
             if (node._n)
                 name = node._n;
 
+            let attrs = '';
+            if (node._attrs) {
+                for (let attrName in node._attrs) {
+                    attrs += ` ${attrName}="${node._attrs[attrName]}"`;
+                }
+            }
+
+            let tOpen = '';
+            let tBody = '';
+            let tClose = '';
             if (name)
-                out += `<${name}>`;
+                tOpen += `<${name}${attrs}>`;
             if (node.hasOwnProperty('_t'))
-                out += repSpaces(node._t);
+                tBody += repSpaces(node._t);
 
             for (let nodeName in node) {
                 if (nodeName && nodeName[0] == '_' && nodeName != '_a')
                     continue;
 
                 const n = node[nodeName];
-                out += this.formatFb2Node(n, nodeName);
+                tBody += this.formatFb2Node(n, nodeName);
             }
             
             if (name)
-                out += `</${name}>`;
+                tClose += `</${name}>`;
+
+            if (attrs == '' && name == 'p' && tBody.trim() == '')
+                out += '<empty-line/>'
+            else
+                out += `${tOpen}${tBody}${tClose}`;
         }
         return out;
     }

server/core/BookConverter/textUtils.js

@@ -1,4 +1,4 @@
-function getEncoding(buf) {
+function getEncoding(buf, returnAll) {
     const lowerCase = 3;
     const upperCase = 1;
 
@@ -8,6 +8,7 @@ function getEncoding(buf) {
         'd': 'cp866',
         'i': 'ISO-8859-5',
         'm': 'maccyrillic',
+        'u': 'utf-8',
     };
 
     let charsets = {
@@ -15,38 +16,47 @@ function getEncoding(buf) {
         'w': 0,
         'd': 0,
         'i': 0,
-        'm': 0
+        'm': 0,
+        'u': 0,
     };
 
     const len = buf.length;
     const blockSize = (len > 5*3000 ? 3000 : len);
     let counter = 0;
     let i = 0;
+    let totalChecked = 0;
     while (i < len) {
         const char = buf[i];
+        const nextChar = (i < len - 1 ? buf[i + 1] : 0);
+        totalChecked++;
         i++;
         //non-russian characters
         if (char < 128 || char > 256)
             continue;
-        //CP866
-        if ((char > 159 && char < 176) || (char > 223 && char < 242)) charsets['d'] += lowerCase;
-        if ((char > 127 && char < 160)) charsets['d'] += upperCase;
+        //UTF-8
+        if ((char == 208 || char == 209) && nextChar >= 128 && nextChar <= 190)
+            charsets['u'] += lowerCase;
+        else {
+            //CP866
+            if ((char > 159 && char < 176) || (char > 223 && char < 242)) charsets['d'] += lowerCase;
+            if ((char > 127 && char < 160)) charsets['d'] += upperCase;
 
-        //KOI8-R
-        if ((char > 191 && char < 223)) charsets['k'] += lowerCase;
-        if ((char > 222 && char < 256)) charsets['k'] += upperCase;
+            //KOI8-R
+            if ((char > 191 && char < 223)) charsets['k'] += lowerCase;
+            if ((char > 222 && char < 256)) charsets['k'] += upperCase;
 
-        //WIN-1251
-        if (char > 223 && char < 256) charsets['w'] += lowerCase;
-        if (char > 191 && char < 224) charsets['w'] += upperCase;
+            //WIN-1251
+            if (char > 223 && char < 256) charsets['w'] += lowerCase;
+            if (char > 191 && char < 224) charsets['w'] += upperCase;
 
-        //MAC
-        if (char > 221 && char < 255) charsets['m'] += lowerCase;
-        if (char > 127 && char < 160) charsets['m'] += upperCase;
+            //MAC
+            if (char > 221 && char < 255) charsets['m'] += lowerCase;
+            if (char > 127 && char < 160) charsets['m'] += upperCase;
 
-        //ISO-8859-5
-        if (char > 207 && char < 240) charsets['i'] += lowerCase;
-        if (char > 175 && char < 208) charsets['i'] += upperCase;
+            //ISO-8859-5
+            if (char > 207 && char < 240) charsets['i'] += lowerCase;
+            if (char > 175 && char < 208) charsets['i'] += upperCase;
+        }
 
         counter++;
 
@@ -57,18 +67,24 @@ function getEncoding(buf) {
     }
 
     let sorted = Object.keys(charsets).map(function(key) {
-        return { codePage: codePage[key], c: charsets[key] };
+        return { codePage: codePage[key], c: charsets[key], totalChecked };
     });
 
     sorted.sort((a, b) => b.c - a.c);
 
-    if (sorted[0].c > 0)
+    if (returnAll)
+        return sorted;
+    else if (sorted[0].c > 0)
         return sorted[0].codePage;
     else
         return 'ISO-8859-5';
 }
 
 function checkIfText(buf) {
+    const enc = getEncoding(buf, true);
+    if (enc[0].c > enc[0].totalChecked*0.9)
+        return true;
+
     let spaceCount = 0;
     let crCount = 0;
     let lfCount = 0;

server/core/FileDownloader.js

@@ -8,8 +8,14 @@ class FileDownloader {
 
     async load(url, callback) {
         let errMes = '';
+        const options = {
+            encoding: null,
+            headers: {
+                'user-agent': 'Mozilla/5.0 (X11; HasCodingOs 1.0; Linux x64) AppleWebKit/637.36 (KHTML, like Gecko) Chrome/70.0.3112.101 Safari/637.36 HasBrowser/5.0'
+            }
+        };
 
-        const response = await got(url, {method: 'HEAD'});
+        const response = await got(url, Object.assign({}, options, {method: 'HEAD'}));
 
         let estSize = 0;
         if (response.headers['content-length']) {
@@ -17,7 +23,7 @@ class FileDownloader {
         }
 
         let prevProg = 0;
-        const request = got(url, {encoding: null}).on('downloadProgress', progress => {
+        const request = got(url, options).on('downloadProgress', progress => {
             if (progress.transferred > maxDownloadSize) {
                 errMes = 'file too big';
                 request.cancel();

server/index.js

@@ -31,6 +31,7 @@ async function init() {
 }
 
 async function main() {
+    log(`${config.name} v${config.version}`);
     log('Initializing');
     await init();