deno.land / x / sheetjs@v0.18.3 / bits / 85_parsezip.js
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283function get_sheet_type(n/*:string*/)/*:string*/ { if(RELS.WS.indexOf(n) > -1) return "sheet"; if(RELS.CS && n == RELS.CS) return "chart"; if(RELS.DS && n == RELS.DS) return "dialog"; if(RELS.MS && n == RELS.MS) return "macro"; return (n && n.length) ? n : "sheet";}function safe_parse_wbrels(wbrels, sheets) { if(!wbrels) return 0; try { wbrels = sheets.map(function pwbr(w) { if(!w.id) w.id = w.strRelID; return [w.name, wbrels['!id'][w.id].Target, get_sheet_type(wbrels['!id'][w.id].Type)]; }); } catch(e) { return null; } return !wbrels || wbrels.length === 0 ? null : wbrels;}
function safe_parse_sheet(zip, path/*:string*/, relsPath/*:string*/, sheet, idx/*:number*/, sheetRels, sheets, stype/*:string*/, opts, wb, themes, styles) { try { sheetRels[sheet]=parse_rels(getzipstr(zip, relsPath, true), path); var data = getzipdata(zip, path); var _ws; switch(stype) { case 'sheet': _ws = parse_ws(data, path, idx, opts, sheetRels[sheet], wb, themes, styles); break; case 'chart': _ws = parse_cs(data, path, idx, opts, sheetRels[sheet], wb, themes, styles); if(!_ws || !_ws['!drawel']) break; var dfile = resolve_path(_ws['!drawel'].Target, path); var drelsp = get_rels_path(dfile); var draw = parse_drawing(getzipstr(zip, dfile, true), parse_rels(getzipstr(zip, drelsp, true), dfile)); var chartp = resolve_path(draw, dfile); var crelsp = get_rels_path(chartp); _ws = parse_chart(getzipstr(zip, chartp, true), chartp, opts, parse_rels(getzipstr(zip, crelsp, true), chartp), wb, _ws); break; case 'macro': _ws = parse_ms(data, path, idx, opts, sheetRels[sheet], wb, themes, styles); break; case 'dialog': _ws = parse_ds(data, path, idx, opts, sheetRels[sheet], wb, themes, styles); break; default: throw new Error("Unrecognized sheet type " + stype); } sheets[sheet] = _ws;
/* scan rels for comments */ var comments = []; if(sheetRels && sheetRels[sheet]) keys(sheetRels[sheet]).forEach(function(n) { if(sheetRels[sheet][n].Type == RELS.CMNT) { var dfile = resolve_path(sheetRels[sheet][n].Target, path); comments = parse_cmnt(getzipdata(zip, dfile, true), dfile, opts); if(!comments || !comments.length) return; sheet_insert_comments(_ws, comments); } }); } catch(e) { if(opts.WTF) throw e; }}
function strip_front_slash(x/*:string*/)/*:string*/ { return x.charAt(0) == '/' ? x.slice(1) : x; }
function parse_zip(zip/*:ZIP*/, opts/*:?ParseOpts*/)/*:Workbook*/ { make_ssf(SSF); opts = opts || {}; fix_read_opts(opts);
/* OpenDocument Part 3 Section 2.2.1 OpenDocument Package */ if(safegetzipfile(zip, 'META-INF/manifest.xml')) return parse_ods(zip, opts); /* UOC */ if(safegetzipfile(zip, 'objectdata.xml')) return parse_ods(zip, opts); /* Numbers */ if(safegetzipfile(zip, 'Index/Document.iwa')) { if(typeof Uint8Array == "undefined") throw new Error('NUMBERS file parsing requires Uint8Array support'); if(typeof NUMBERS != "undefined") { if(zip.FileIndex) return NUMBERS.parse_numbers(zip); var _zip = CFB.utils.cfb_new(); zipentries(zip).forEach(function(e) { zip_add_file(_zip, e, getzipbin(zip, e)); }); return NUMBERS.parse_numbers(_zip); } throw new Error('Unsupported NUMBERS file'); } if(!safegetzipfile(zip, '[Content_Types].xml')) { if(safegetzipfile(zip, 'index.xml.gz')) throw new Error('Unsupported NUMBERS 08 file'); if(safegetzipfile(zip, 'index.xml')) throw new Error('Unsupported NUMBERS 09 file'); throw new Error('Unsupported ZIP file'); }
var entries = zipentries(zip); var dir = parse_ct((getzipstr(zip, '[Content_Types].xml')/*:?any*/)); var xlsb = false; var sheets, binname; if(dir.workbooks.length === 0) { binname = "xl/workbook.xml"; if(getzipdata(zip,binname, true)) dir.workbooks.push(binname); } if(dir.workbooks.length === 0) { binname = "xl/workbook.bin"; if(!getzipdata(zip,binname,true)) throw new Error("Could not find workbook"); dir.workbooks.push(binname); xlsb = true; } if(dir.workbooks[0].slice(-3) == "bin") xlsb = true;
var themes = ({}/*:any*/); var styles = ({}/*:any*/); if(!opts.bookSheets && !opts.bookProps) { strs = []; if(dir.sst) try { strs=parse_sst(getzipdata(zip, strip_front_slash(dir.sst)), dir.sst, opts); } catch(e) { if(opts.WTF) throw e; }
if(opts.cellStyles && dir.themes.length) themes = parse_theme(getzipstr(zip, dir.themes[0].replace(/^\//,''), true)||"",dir.themes[0], opts);
if(dir.style) styles = parse_sty(getzipdata(zip, strip_front_slash(dir.style)), dir.style, themes, opts); }
/*var externbooks = */dir.links.map(function(link) { try { var rels = parse_rels(getzipstr(zip, get_rels_path(strip_front_slash(link))), link); return parse_xlink(getzipdata(zip, strip_front_slash(link)), rels, link, opts); } catch(e) {} });
var wb = parse_wb(getzipdata(zip, strip_front_slash(dir.workbooks[0])), dir.workbooks[0], opts);
var props = {}, propdata = "";
if(dir.coreprops.length) { propdata = getzipdata(zip, strip_front_slash(dir.coreprops[0]), true); if(propdata) props = parse_core_props(propdata); if(dir.extprops.length !== 0) { propdata = getzipdata(zip, strip_front_slash(dir.extprops[0]), true); if(propdata) parse_ext_props(propdata, props, opts); } }
var custprops = {}; if(!opts.bookSheets || opts.bookProps) { if (dir.custprops.length !== 0) { propdata = getzipstr(zip, strip_front_slash(dir.custprops[0]), true); if(propdata) custprops = parse_cust_props(propdata, opts); } }
var out = ({}/*:any*/); if(opts.bookSheets || opts.bookProps) { if(wb.Sheets) sheets = wb.Sheets.map(function pluck(x){ return x.name; }); else if(props.Worksheets && props.SheetNames.length > 0) sheets=props.SheetNames; if(opts.bookProps) { out.Props = props; out.Custprops = custprops; } if(opts.bookSheets && typeof sheets !== 'undefined') out.SheetNames = sheets; if(opts.bookSheets ? out.SheetNames : opts.bookProps) return out; } sheets = {};
var deps = {}; if(opts.bookDeps && dir.calcchain) deps=parse_cc(getzipdata(zip, strip_front_slash(dir.calcchain)),dir.calcchain,opts);
var i=0; var sheetRels = ({}/*:any*/); var path, relsPath;
{ var wbsheets = wb.Sheets; props.Worksheets = wbsheets.length; props.SheetNames = []; for(var j = 0; j != wbsheets.length; ++j) { props.SheetNames[j] = wbsheets[j].name; } }
var wbext = xlsb ? "bin" : "xml"; var wbrelsi = dir.workbooks[0].lastIndexOf("/"); var wbrelsfile = (dir.workbooks[0].slice(0, wbrelsi+1) + "_rels/" + dir.workbooks[0].slice(wbrelsi+1) + ".rels").replace(/^\//,""); if(!safegetzipfile(zip, wbrelsfile)) wbrelsfile = 'xl/_rels/workbook.' + wbext + '.rels'; var wbrels = parse_rels(getzipstr(zip, wbrelsfile, true), wbrelsfile.replace(/_rels.*/, "s5s"));
if((dir.metadata || []).length >= 1) { /* TODO: MDX and other types of metadata */ opts.xlmeta = parse_xlmeta(getzipdata(zip, strip_front_slash(dir.metadata[0])),dir.metadata[0],opts); }
if(wbrels) wbrels = safe_parse_wbrels(wbrels, wb.Sheets);
/* Numbers iOS hack */ var nmode = (getzipdata(zip,"xl/worksheets/sheet.xml",true))?1:0; wsloop: for(i = 0; i != props.Worksheets; ++i) { var stype = "sheet"; if(wbrels && wbrels[i]) { path = 'xl/' + (wbrels[i][1]).replace(/[\/]?xl\//, ""); if(!safegetzipfile(zip, path)) path = wbrels[i][1]; if(!safegetzipfile(zip, path)) path = wbrelsfile.replace(/_rels\/.*$/,"") + wbrels[i][1]; stype = wbrels[i][2]; } else { path = 'xl/worksheets/sheet'+(i+1-nmode)+"." + wbext; path = path.replace(/sheet0\./,"sheet."); } relsPath = path.replace(/^(.*)(\/)([^\/]*)$/, "$1/_rels/$3.rels"); if(opts && opts.sheets != null) switch(typeof opts.sheets) { case "number": if(i != opts.sheets) continue wsloop; break; case "string": if(props.SheetNames[i].toLowerCase() != opts.sheets.toLowerCase()) continue wsloop; break; default: if(Array.isArray && Array.isArray(opts.sheets)) { var snjseen = false; for(var snj = 0; snj != opts.sheets.length; ++snj) { if(typeof opts.sheets[snj] == "number" && opts.sheets[snj] == i) snjseen=1; if(typeof opts.sheets[snj] == "string" && opts.sheets[snj].toLowerCase() == props.SheetNames[i].toLowerCase()) snjseen = 1; } if(!snjseen) continue wsloop; } } safe_parse_sheet(zip, path, relsPath, props.SheetNames[i], i, sheetRels, sheets, stype, opts, wb, themes, styles); }
out = ({ Directory: dir, Workbook: wb, Props: props, Custprops: custprops, Deps: deps, Sheets: sheets, SheetNames: props.SheetNames, Strings: strs, Styles: styles, Themes: themes, SSF: SSF.get_table() }/*:any*/); if(opts && opts.bookFiles) { if(zip.files) { out.keys = entries; out.files = zip.files; } else { out.keys = []; out.files = {}; zip.FullPaths.forEach(function(p, idx) { p = p.replace(/^Root Entry[\/]/, ""); out.keys.push(p); out.files[p] = zip.FileIndex[idx]; }); } } if(opts && opts.bookVBA) { if(dir.vba.length > 0) out.vbaraw = getzipdata(zip,strip_front_slash(dir.vba[0]),true); else if(dir.defaults && dir.defaults.bin === CT_VBA) out.vbaraw = getzipdata(zip, 'xl/vbaProject.bin',true); } return out;}
/* [MS-OFFCRYPTO] 2.1.1 */function parse_xlsxcfb(cfb, _opts/*:?ParseOpts*/)/*:Workbook*/ { var opts = _opts || {}; var f = 'Workbook', data = CFB.find(cfb, f); try { f = '/!DataSpaces/Version'; data = CFB.find(cfb, f); if(!data || !data.content) throw new Error("ECMA-376 Encrypted file missing " + f); /*var version = */parse_DataSpaceVersionInfo(data.content);
/* 2.3.4.1 */ f = '/!DataSpaces/DataSpaceMap'; data = CFB.find(cfb, f); if(!data || !data.content) throw new Error("ECMA-376 Encrypted file missing " + f); var dsm = parse_DataSpaceMap(data.content); if(dsm.length !== 1 || dsm[0].comps.length !== 1 || dsm[0].comps[0].t !== 0 || dsm[0].name !== "StrongEncryptionDataSpace" || dsm[0].comps[0].v !== "EncryptedPackage") throw new Error("ECMA-376 Encrypted file bad " + f);
/* 2.3.4.2 */ f = '/!DataSpaces/DataSpaceInfo/StrongEncryptionDataSpace'; data = CFB.find(cfb, f); if(!data || !data.content) throw new Error("ECMA-376 Encrypted file missing " + f); var seds = parse_DataSpaceDefinition(data.content); if(seds.length != 1 || seds[0] != "StrongEncryptionTransform") throw new Error("ECMA-376 Encrypted file bad " + f);
/* 2.3.4.3 */ f = '/!DataSpaces/TransformInfo/StrongEncryptionTransform/!Primary'; data = CFB.find(cfb, f); if(!data || !data.content) throw new Error("ECMA-376 Encrypted file missing " + f); /*var hdr = */parse_Primary(data.content); } catch(e) {}
f = '/EncryptionInfo'; data = CFB.find(cfb, f); if(!data || !data.content) throw new Error("ECMA-376 Encrypted file missing " + f); var einfo = parse_EncryptionInfo(data.content);
/* 2.3.4.4 */ f = '/EncryptedPackage'; data = CFB.find(cfb, f); if(!data || !data.content) throw new Error("ECMA-376 Encrypted file missing " + f);
/*global decrypt_agile *//*:: declare var decrypt_agile:any; */ if(einfo[0] == 0x04 && typeof decrypt_agile !== 'undefined') return decrypt_agile(einfo[1], data.content, opts.password || "", opts);/*global decrypt_std76 *//*:: declare var decrypt_std76:any; */ if(einfo[0] == 0x02 && typeof decrypt_std76 !== 'undefined') return decrypt_std76(einfo[1], data.content, opts.password || "", opts); throw new Error("File is password-protected");}
sheetjs
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2 years ago
