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Reject JSON references that index into empty arrays

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Tristan Penman 2021-01-17 13:34:52 +11:00
parent 3621f98d43
commit fba5a9e8a7
1 changed files with 4 additions and 2 deletions
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6
include/valijson/internal/json_pointer.hpp
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@ -193,9 +193,11 @@ inline AdapterType resolveJsonPointer(
// Fragment must be non-negative integer // Fragment must be non-negative integer
const uint64_t index = std::stoul(referenceToken); const uint64_t index = std::stoul(referenceToken);
typedef typename AdapterType::Array Array; typedef typename AdapterType::Array Array;
typename Array::const_iterator itr = node.asArray().begin(); const Array arr = node.asArray();
typename Array::const_iterator itr = arr.begin();
const uint64_t arrSize = arr.size();
if (index > node.asArray().size() - 1) { if (arrSize == 0 || index > arrSize - 1) {
throwRuntimeError("Expected reference token to identify " throwRuntimeError("Expected reference token to identify "
"an element in the current array, but array index is " "an element in the current array, but array index is "
"out of bounds; actual token: " + referenceToken); "out of bounds; actual token: " + referenceToken);