forked from friendica/php-json-ld
Check invalid keyword aliasing via @id.
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parent
3278e369c1
commit
d14adbdf22
30
jsonld.php
30
jsonld.php
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@ -4395,26 +4395,9 @@ class JsonLdProcessor {
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return;
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}
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// convert short-hand value to object w/@id
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if(is_string($value)) {
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// expand value to a full IRI
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$id = $this->_expandIri(
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$active_ctx, $value, array('vocab' => true, 'base' => true),
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$local_ctx, $defined);
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if(self::_isKeyword($value)) {
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// disallow aliasing @context and @preserve
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if($value === '@context' || $value === '@preserve') {
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throw new JsonLdException(
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'Invalid JSON-LD syntax; @context and @preserve cannot be aliased.',
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'jsonld.SyntaxError', array('context' => $local_ctx));
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}
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}
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// define term to expanded IRI/keyword
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$active_ctx->mappings->{$term} = (object)array(
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'@id' => $id, 'reverse' => false);
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$defined->{$term} = true;
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return;
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$value = (object)array('@id' => $value);
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}
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if(!is_object($value)) {
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@ -4558,6 +4541,15 @@ class JsonLdProcessor {
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$mapping->{'@language'} = $language;
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}
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// disallow aliasing @context and @preserve
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$id = $mapping->{'@id'};
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if($id === '@context' || $id === '@preserve') {
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throw new JsonLdException(
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'Invalid JSON-LD syntax; @context and @preserve cannot be aliased.',
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'jsonld.SyntaxError', array('context' => $local_ctx));
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}
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// define term mapping
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$active_ctx->mappings->{$term} = $mapping;
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$defined->{$term} = true;
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