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Fix #4174: Don't allow invalid prefix combinations for autocomplete.

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* Autocorrect duplicated operators (e.g. complete `--tag` as `-tag`).
* Don't accept invalid metatag + prefix combinations (e.g. don't
  complete `char:rating:s` as `rating:safe`).
This commit is contained in:
evazion
2019-09-22 18:58:12 -05:00
parent 9839f97f9e
commit 79c22b8d50
3 changed files with 43 additions and 37 deletions
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36
app/javascript/src/javascripts/autocomplete.js.erb
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@@ -10,8 +10,8 @@ Autocomplete.ORDER_METATAGS = <%= Tag::ORDER_METATAGS.to_json.html_safe %>;
/* eslint-enable */
Autocomplete.TAG_PREFIXES = "-|~|" + Object.keys(Autocomplete.TAG_CATEGORIES).map(category => category + ":").join("|");
Autocomplete.TAG_PREFIXES_REGEX = new RegExp("^(" + Autocomplete.TAG_PREFIXES + ")(.*)$", "i");
Autocomplete.METATAGS_REGEX = new RegExp("^(" + Autocomplete.METATAGS.join("|") + "):(.*)$", "i");
Autocomplete.METATAGS_REGEX = Autocomplete.METATAGS.concat(Object.keys(Autocomplete.TAG_CATEGORIES)).join("|");
Autocomplete.TERM_REGEX = new RegExp(`([-~]*)(?:(${Autocomplete.METATAGS_REGEX}):)?(\\S*)$`, "i");
Autocomplete.initialize_all = function() {
if (Utility.meta("enable-auto-complete") === "true") {
@@ -271,34 +271,14 @@ Autocomplete.normal_source = function(term, resp) {
}
Autocomplete.parse_query = function(text, caret) {
var operator = "";
var metatag = "";
var term = "";
let before_caret_text = text.substring(0, caret);
let match = before_caret_text.match(Autocomplete.TERM_REGEX);
var before_caret_text = text.substring(0, caret);
var match = before_caret_text.match(/\S+$/g);
if (match) {
term = match[0];
} else {
return {};
}
let operator = match[1];
let metatag = match[2] ? match[2].toLowerCase() : "tag";
let term = match[3];
match = term.match(/^([-~])(.*)$/);
if (match) {
operator = match[1];
term = match[2];
}
match = term.match(Autocomplete.TAG_PREFIXES_REGEX);
if (match) {
term = match[2];
}
match = term.match(Autocomplete.METATAGS_REGEX);
if (match) {
metatag = match[1].toLowerCase();
term = match[2];
} else {
if (metatag in Autocomplete.TAG_CATEGORIES) {
metatag = "tag";
}