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Merge pull request #194 from internetarchive/formsMaxSize

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limit max size of form input
This commit is contained in:
Noah Levitt
2017-11-16 11:24:20 -08:00
committed by GitHub
parent deda35eedd 998edf3479
commit 76bf98a4f0
1 changed files with 6 additions and 6 deletions
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modules/src/main/java/org/archive/modules/forms/ExtractorHTMLForms.java
+6 -6
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@@ -143,17 +143,17 @@ public class ExtractorHTMLForms extends Extractor {
for (Object offset : curi.getDataList(ExtractorHTML.A_FORM_OFFSETS)) {
int offsetInt = (Integer) offset;
CharSequence relevantSequence = cs.subSequence(offsetInt, cs.length());
String method = findAttributeValueGroup("(?i)^[^>]*\\smethod\\s*=\\s*([^>\\s]+)[^>]*>",1,relevantSequence);
String action = findAttributeValueGroup("(?i)^[^>]*\\saction\\s*=\\s*([^>\\s]+)[^>]*>",1,relevantSequence);
String enctype = findAttributeValueGroup("(?i)^[^>]*\\senctype\\s*=\\s*([^>\\s]+)[^>]*>",1,relevantSequence);
String method = findAttributeValueGroup("(?i)^[^>]*\\smethod\\s*=\\s*([^>\\s]{1,50000})[^>]*>",1,relevantSequence);
String action = findAttributeValueGroup("(?i)^[^>]*\\saction\\s*=\\s*([^>\\s]{1,50000})[^>]*>",1,relevantSequence);
String enctype = findAttributeValueGroup("(?i)^[^>]*\\senctype\\s*=\\s*([^>\\s]{1,50000})[^>]*>",1,relevantSequence);
HTMLForm form = new HTMLForm();
form.setMethod(method);
form.setAction(action);
form.setEnctype(enctype);
for(CharSequence input : findGroups("(?i)(<input\\s[^>]*>)|(</?form>)",1,relevantSequence)) {
String type = findAttributeValueGroup("(?i)^[^>]*\\stype\\s*=\\s*([^>\\s]+)[^>]*>",1,input);
String name = findAttributeValueGroup("(?i)^[^>]*\\sname\\s*=\\s*([^>\\s]+)[^>]*>",1,input);
String value = findAttributeValueGroup("(?i)^[^>]*\\svalue\\s*=\\s*([^>\\s]+)[^>]*>",1,input);
String type = findAttributeValueGroup("(?i)^[^>]*\\stype\\s*=\\s*([^>\\s]{1,50000})[^>]*>",1,input);
String name = findAttributeValueGroup("(?i)^[^>]*\\sname\\s*=\\s*([^>\\s]{1,50000})[^>]*>",1,input);
String value = findAttributeValueGroup("(?i)^[^>]*\\svalue\\s*=\\s*([^>\\s]{1,50000})[^>]*>",1,input);
Matcher m = TextUtils.getMatcher("(?i)^[^>]*\\schecked\\s*[^>]*>", input);
boolean checked = false;
try {