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added escape function to escape special characters for the query_string elastic search query.

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This commit is contained in:
Mark Beamer Jr 2018-08-14 20:58:53 -04:00
parent aa4558bb57
commit 9469f953d6
1 changed files with 25 additions and 3 deletions
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28
server/controllers/lighthouse.js
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@ -42,7 +42,7 @@ function getResults (input) {
'must': {
'query_string': {
'fields': ['channel'],
'query' : input.channel,
'query' : getEscapedQuery(input.channel),
},
},
},
@ -74,7 +74,7 @@ function getResults (input) {
};
const conTermName = { // Contains search term - Name
'query_string': {
'query' : '*' + input.s.trim() + '*',
'query' : '*' + getEscapedQuery(input.s) + '*',
'fields': [
'name',
],
@ -89,7 +89,7 @@ function getResults (input) {
'should': [
{ // Contains search term in Author, Title, Description
'query_string': {
'query' : '*' + input.s.trim() + '*',
'query' : '*' + getEscapedQuery(input.s) + '*',
'fields': [
'value.stream.metadata.author',
'value.stream.metadata.title',
@ -252,6 +252,28 @@ function getStatus () {
});
}
function getEscapedQuery (query) {
let badCharacters = ['+', '-', '&&', '||', '!', '(', ')', '{', '}', '[', ']', '^', '"', '~', '*', '?', ':', '\\'];
let escapedQuery = '';
for (var i = 0; i < query.length; i++) {
let char1 = query.charAt(i);
if (badCharacters.includes(char1)) {
escapedQuery = escapedQuery + '\\' + char1;
} else if (i + 1 <= query.length) {
let char2 = query.charAt(i + 1);
if (badCharacters.includes(char1 + char2)) {
escapedQuery = escapedQuery + '\\' + char1 + char2;
i++;
} else {
escapedQuery = escapedQuery + char1;
}
} else {
escapedQuery = escapedQuery + char1;
}
}
return escapedQuery;
}
class LighthouseControllers {
/* eslint-disable no-param-reassign */
// Start syncing blocks...