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@ -0,0 +1,339 @@
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const fs = require('fs');
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const path = require('path');
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const config = require('./config.json');
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const groupBy = require('group-by');
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const sizeOf = require('image-size');
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const readChunk = require('read-chunk');
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const imageType = require('image-type');
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const toml = require('toml');
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let currentGame = null;
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let errors = [];
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function getDirectories(srcpath) {
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return fs.readdirSync(srcpath)
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.filter(file => fs.lstatSync(path.join(srcpath, file)).isDirectory())
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}
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function getFiles(srcpath) {
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return fs.readdirSync(srcpath)
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.filter(file => fs.lstatSync(path.join(srcpath, file)).isFile())
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}
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/// Validates that a image is correctly sized and of the right format.
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function validateImage(path, config) {
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if (fs.existsSync(path) === false) {
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validationError(`Image \"${path}\"' was not found at ${path}.`);
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} else {
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// Read first 12 bytes (enough for '%PNG', etc)
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const buffer = readChunk.sync(path, 0, 12);
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const type = imageType(buffer).mime;
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if (type !== config.type) {
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validationError(`Incorrect format of image (${type} != ${config.type})`);
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}
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let dimensions = sizeOf(path);
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if (dimensions.width !== config.width || dimensions.height !== config.height) {
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validationError(`Image \"${path}\"'s dimensions are ${dimensions.width} x ${dimensions.height} ` +
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`instead of the required ${config.width} x ${config.height}.`);
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}
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}
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}
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/// Validates that a folder (if it exists) of images contains images that are
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// correctly sized and of the right format.
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function validateDirImages(path, config) {
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// TODO: Do we want to enforce having screenshots?
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if (fs.existsSync(path)) {
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const files = getFiles(path);
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for (let i = 0; i < files.length; i++) {
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const file = files[i];
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validateImage(`${path}/${file}`, config);
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}
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}
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}
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// TODO: Could these errors be prefixed with the section/line in which they come from?
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/// Validates the existance of a particular entry in a structure
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function validateExists(struct, name) {
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if (struct[name] === undefined) {
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validationError("Field \"" + name + "\" missing");
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return false;
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} else {
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return true;
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}
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}
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/// Validates the existence of a particular entry in a structure, and
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/// ensures that it meets a particular set of criteria.
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function validateContents(struct, name, test) {
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if (validateExists(struct, name)) {
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test(struct[name]);
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}
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}
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/// Validates the existence of a particular entry in a structure, and
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/// ensures that it is not a empty string.
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function validateNotEmpty(struct, name) {
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validateContents(struct, name, field => {
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if (typeof field !== "string") {
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validationError("Field \"" + name + "\" is not a string");
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} else if (field === "") {
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validationError("Field \"" + name + "\" is empty");
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}
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});
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}
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/// Validates the existence of a particular entry in a structure, and
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/// ensures that it is not a empty string.
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function validateIsBoolean(struct, name) {
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if (struct[name] !== false && struct[name] !== true) {
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validationError("Field \"" + name + "\" is not a boolean");
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}
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}
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/// Validates pattern of YYYY-MM-DD in a field of a structure.
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function validateIsDate(struct, name) {
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validateContents(struct, name, field => {
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if (!field.match(/[0-9]{4}-((0[1-9])|(1[0-2]))-((0[1-9])|([1-2][0-9])|(3[0-1]))/)) {
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validationError(`\"${name}\" is not a valid date (\"${field}\").`);
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}
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});
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}
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function validateFileExists(dir) {
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if (fs.existsSync(dir) === false) {
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validationError(`\"${dir}\" does not exist!`);
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return false;
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}
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return true;
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}
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/// Validates a TOML document
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function validateTOML(path) {
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if (fs.existsSync(path) === false) {
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validationError(`TOML was not found at ${path}.`);
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return;
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}
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let rawContents = fs.readFileSync(path);
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let tomlDoc;
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try {
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tomlDoc = toml.parse(rawContents);
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} catch (e) {
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validationError("TOML parse error (" + e.line + "): " + e.message);
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return;
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}
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// Check the global header section
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validateNotEmpty(tomlDoc, "title");
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validateNotEmpty(tomlDoc, "description");
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if (tomlDoc["github_issues"] !== undefined) {
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validateContents(tomlDoc, "github_issues", field => {
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if (Array.isArray(field) === false) {
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validationError("Github issues field is not an array!")
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} else {
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// Validate each individual entry
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for (x in field) {
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if (typeof field[x] !== "number") {
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validationError("Github issues entry is not a number!")
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}
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}
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}
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});
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}
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let section;
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let i;
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// Check each release individually
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if (tomlDoc["releases"] !== undefined) {
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section = tomlDoc["releases"];
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for (i = 0; i < section.length; i++) {
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const release = section[i];
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validateContents(release, "title", field => {
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if (field.length !== 16) {
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validationError(`Release #${i + 1}: Game title ID has an invalid length`);
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} else if (!field.match(/([a-zA-Z0-9]){16}/)) {
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validationError(`Release #${i + 1}: Game title ID is not a hexadecimal ID`);
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}
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});
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validateContents(release, "region", field => {
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if (config.regions.indexOf(field) === -1) {
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validationError(`Release #${i + 1}: Invalid region ${field}`);
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}
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});
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validateIsDate(release, "release_date");
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}
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} else {
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validationError("No releases.")
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}
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let maxCompatibility = 999;
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// Check each testcase individually
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if (tomlDoc["testcases"] !== undefined) {
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section = tomlDoc["testcases"];
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for (i = 0; i < section.length; i++) {
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const testcase = section[i];
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validateNotEmpty(testcase, "compatibility");
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if (testcase["compatibility"] !== undefined) {
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let compat = parseInt(testcase["compatibility"]);
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if (compat < maxCompatibility) {
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maxCompatibility = compat;
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}
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}
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validateIsDate(testcase, "date");
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validateContents(testcase, "version", test => {
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if (test.length !== 12) {
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validationError(`Testcase #${i + 1}: Version is of incorrect length`);
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} else if (!test.startsWith("HEAD-")) {
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validationError(`Testcase #${i + 1}: Unknown version commit source`);
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}
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});
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validateNotEmpty(testcase, "author");
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// TODO: CPU/GPU/OS fields
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}
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} else {
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validationError("No testcases.")
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}
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// We only check these if we have a known test result (we cannot know if a game needs
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// resources if it doesn't even run!)
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if (maxCompatibility < 5) {
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validateIsBoolean(tomlDoc, "needs_system_files");
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validateIsBoolean(tomlDoc, "needs_shared_font");
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}
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}
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/// Validates the basic structure of a save game's TOML. Assumes it exists.
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function validateSaveTOML(path) {
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let rawContents = fs.readFileSync(path);
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let tomlDoc;
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try {
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tomlDoc = toml.parse(rawContents);
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} catch (e) {
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validationError("TOML parse error (" + e.line + "): " + e.message);
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return;
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}
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// Check the global header section
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validateNotEmpty(tomlDoc, "title");
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validateNotEmpty(tomlDoc, "description");
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validateNotEmpty(tomlDoc, "author");
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validateContents(tomlDoc, "title_id", field => {
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if (field.length !== 16) {
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validationError(`Game save data: Game title ID has an invalid length`);
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} else if (!field.match(/([a-zA-Z0-9]){16}/)) {
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validationError(`Game save data: Game title ID is not a hexadecimal ID`);
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}
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});
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}
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/// Validates that a save is actually a .zip.
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function validateSaveZip(path) {
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// TODO: Would a node library MIME check be better?
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const zipHeader = Buffer.from([0x50, 0x4B, 0x03, 0x04]);
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const data = readChunk.sync(path, 0, 4);
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if (zipHeader.compare(data) !== 0) {
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validationError(`File ${path} is not a .zip!`)
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}
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}
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/// Validates a folder of game saves.
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function validateSaves(dir) {
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if (fs.existsSync(dir) === false) {
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return;
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}
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const files = getFiles(dir);
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// Strip extensions, so we know what save 'groups' we are dealing with
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const strippedFiles = files.map(file => {
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return file.substr(0, file.lastIndexOf("."))
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});
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const groups = strippedFiles.filter((element, i) => {
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return strippedFiles.indexOf(element) === i
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});
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// Check each group
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for (let i = 0; i < groups.length; i++) {
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const group = groups[i];
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if (validateFileExists(`${dir}/${group}.dat`)) {
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validateSaveTOML(`${dir}/${group}.dat`);
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}
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if (validateFileExists(`${dir}/${group}.zip`)) {
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validateSaveZip(`${dir}/${group}.zip`);
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}
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}
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}
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function validationError(err) {
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errors.push({game: currentGame, error: err});
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}
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// Loop through each game folder, validating each game.
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getDirectories(config.directory).forEach(function (game) {
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try {
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if (game === '.git' || game === '_validation') {
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return;
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}
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let inputDirectoryGame = `${config.directory}/${game}`;
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currentGame = game;
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// Verify the game's boxart.
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validateImage(`${inputDirectoryGame}/${config.boxart.filename}`, config.boxart);
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// Verify the game's image.
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validateImage(`${inputDirectoryGame}/${config.icon.filename}`, config.icon);
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// Verify the game's metadata.
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validateTOML(`${inputDirectoryGame}/${config.data.filename}`);
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// Verify the game's screenshots.
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validateDirImages(`${inputDirectoryGame}/${config.screenshots.dirname}`,
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config.screenshots);
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// Verify the game's save files.
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validateSaves(`${inputDirectoryGame}/${config.saves.dirname}`);
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} catch (ex) {
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console.warn(`${game} has encountered an unexpected error.`);
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console.error(ex);
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}
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});
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if (errors.length > 0) {
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console.warn('Validation completed with errors.');
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const groups = groupBy(errors, "game");
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for (let key in groups) {
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let group = groups[key];
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console.info(` ${key}:`);
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for (let issueKey in group) {
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console.info(` - ${group[issueKey].error}`);
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}
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}
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process.exit(1);
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} else {
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console.info('Validation completed without errors.');
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process.exit(0);
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}
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James