Henry.Wang
3 years ago
1 changed files with 57 additions and 41 deletions
@ -1,81 +1,97 @@
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package com.fr.design.mainframe.authority; |
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import com.fr.base.Formula; |
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import com.fr.stable.StringUtils; |
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import com.fr.general.ComparatorUtils; |
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import com.fr.parser.FunctionCall; |
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import com.fr.parser.StringLiteral; |
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import com.fr.script.Calculator; |
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import com.fr.stable.script.Node; |
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import org.jetbrains.annotations.Nullable; |
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import java.util.Arrays; |
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import java.util.HashSet; |
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import java.util.Set; |
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import java.util.regex.Matcher; |
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import java.util.regex.Pattern; |
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public class FormulaAuthorityChecker extends ElementAuthorityChecker<Formula> { |
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private static final Set<FormulaPattern> CONNECTION_NAME_FORMULA_PATTERN = new HashSet<>(); |
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private static final Set<FormulaPattern> DATASET_NAME_FORMULA_PATTERN = new HashSet<>(); |
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private static final Set<FormulaParser> CONNECTION_NAME_FORMULA_PARSER = new HashSet<>(); |
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private static final Set<FormulaParser> DATASET_NAME_FORMULA_PARSER = new HashSet<>(); |
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static { |
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CONNECTION_NAME_FORMULA_PATTERN.add(new FormulaPattern("^=SQL\\(\"(.+?)\",", 1)); |
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DATASET_NAME_FORMULA_PATTERN.add(new FormulaPattern("^=VALUE\\(\"(.+?)\",", 1)); |
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CONNECTION_NAME_FORMULA_PARSER.add(new FormulaParser("SQL", 0)); |
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DATASET_NAME_FORMULA_PARSER.add(new FormulaParser("VALUE", 0)); |
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} |
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@Override |
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@Nullable |
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public Set<String> getNoAuthConnectionNames(Formula formula, Set<String> authConnectionNames) { |
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return getNoAuthNames(formula, CONNECTION_NAME_FORMULA_PATTERN, authConnectionNames); |
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return getNoAuthNames(formula, CONNECTION_NAME_FORMULA_PARSER, authConnectionNames); |
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} |
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@Override |
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@Nullable |
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Set<String> getNoAuthDatasetNames(Formula formula, Set<String> authDatasetNames) { |
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return getNoAuthNames(formula, DATASET_NAME_FORMULA_PATTERN, authDatasetNames); |
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return getNoAuthNames(formula, DATASET_NAME_FORMULA_PARSER, authDatasetNames); |
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} |
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private Set<String> getNoAuthNames(Formula formula, Set<FormulaPattern> formulaPatterns, Set<String> authNames) { |
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private Set<String> getNoAuthNames(Formula formula, Set<FormulaParser> formulaParsers, Set<String> authNames) { |
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Set<String> noAuthNames = new HashSet<>(); |
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for (FormulaPattern formulaPattern : formulaPatterns) { |
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String noAuthName = getNoAuthName(formula, formulaPattern, authNames); |
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try { |
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FunctionCall functionCall = (FunctionCall) Calculator.createCalculator().parse(formula.getContent()).getConditionalExpression(); |
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handleNoAuthNames(functionCall, formulaParsers, authNames, noAuthNames); |
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} catch (Exception ignore) { |
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} finally { |
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return noAuthNames; |
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} |
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} |
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private void handleNoAuthNames(FunctionCall functionCall, Set<FormulaParser> formulaParsers, Set<String> authNames, Set<String> noAuthNames) { |
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for (FormulaParser formulaPattern : formulaParsers) { |
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String noAuthName = formulaPattern.getNoAuthName(functionCall, authNames); |
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if (noAuthName != null) { |
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noAuthNames.add(noAuthName); |
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} |
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} |
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return noAuthNames; |
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Node[] nodes = functionCall.getArguments(); |
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if (nodes != null) { |
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for (int i = 0; i < nodes.length; i++) { |
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Node node = nodes[i]; |
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if (node instanceof FunctionCall) { |
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handleNoAuthNames((FunctionCall) node, formulaParsers, authNames, noAuthNames); |
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} |
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private String getNoAuthName(Formula formula, FormulaPattern formulaPattern, Set<String> authNames) { |
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String parameter = getFormulaParameter(formula, formulaPattern); |
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if (!authNames.contains(parameter)) { |
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return parameter; |
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} |
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return null; |
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} |
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private String getFormulaParameter(Formula formula, FormulaPattern formulaPattern) { |
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String content = transformFormulaContent(formula.getContent()); |
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Matcher matcher = formulaPattern.pattern.matcher(content); |
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if (matcher.find()) { |
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return matcher.group(formulaPattern.index); |
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} |
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return null; |
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} |
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private String transformFormulaContent(String content) { |
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int index = content.indexOf('('); |
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if (index > 0) { |
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return content.substring(0, index).toUpperCase() + content.substring(index); |
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} else { |
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return StringUtils.EMPTY; |
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} |
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} |
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static class FormulaPattern { |
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public Pattern pattern; |
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static class FormulaParser { |
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//函数的名称
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public String name; |
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//要检测的位置
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public int index; |
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FormulaPattern(String regex, int index) { |
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this.pattern = Pattern.compile(regex); |
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FormulaParser(String name, int index) { |
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this.name = name; |
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this.index = index; |
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} |
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String getNoAuthName(FunctionCall functionCall, Set<String> authNames) { |
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if (functionCall.getName() != null && ComparatorUtils.equals(functionCall.getName().toUpperCase(), name)) { |
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Node node = functionCall.getArguments()[index]; |
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if (node instanceof StringLiteral) { |
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String stringLiteral = node.toString(); |
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if (stringLiteral.length() > 2) { |
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String value = stringLiteral.substring(1, stringLiteral.length() - 1); |
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if (!authNames.contains(value)) { |
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return value; |
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} |
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} |
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} |
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} |
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return null; |
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} |
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} |
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} |
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