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Fix JsonManipulator handling of package links, fixes #1465

pull/1887/merge
Jordi Boggiano 2013-05-12 22:54:53 +02:00
parent bebe86262a
commit 3b48a1fea6
2 changed files with 99 additions and 28 deletions
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66
src/Composer/Json/JsonManipulator.php
View File

@ -49,37 +49,47 @@ class JsonManipulator
public function addLink($type, $package, $constraint)
{
// no link of that type yet
if (!preg_match('#"'.$type.'":\s*\{#', $this->contents)) {
$this->addMainKey($type, array($package => $constraint));
$data = @json_decode($this->contents, true);
return true;
}
$linksRegex = '#("'.$type.'":\s*\{)([^}]+)(\})#s';
if (!preg_match($linksRegex, $this->contents, $match)) {
// abort if the file is not parseable
if (null === $data) {
return false;
}
$links = $match[2];
$packageRegex = str_replace('/', '\\\\?/', preg_quote($package));
// link exists already
if (preg_match('{"'.$packageRegex.'"\s*:}i', $links)) {
$links = preg_replace('{"'.$packageRegex.'"(\s*:\s*)"[^"]+"}i', addcslashes(JsonFile::encode($package).'${1}"'.$constraint.'"', '\\'), $links);
} elseif (preg_match('#[^\s](\s*)$#', $links, $match)) {
// link missing but non empty links
$links = preg_replace(
'#'.$match[1].'$#',
addcslashes(',' . $this->newline . $this->indent . $this->indent . JsonFile::encode($package).': '.JsonFile::encode($constraint) . $match[1], '\\'),
$links
);
} else {
// links empty
$links = $this->newline . $this->indent . $this->indent . JsonFile::encode($package).': '.JsonFile::encode($constraint) . $links;
// no link of that type yet
if (!isset($data[$type])) {
return $this->addMainKey($type, array($package => $constraint));
}
$this->contents = preg_replace($linksRegex, addcslashes('${1}'.$links.'$3', '\\'), $this->contents);
$regex = '{^(\s*\{\s*(?:'.self::$JSON_STRING.'\s*:\s*'.self::$JSON_VALUE.'\s*,\s*)*?)'.
'('.preg_quote(JsonFile::encode($type)).'\s*:\s*)('.self::$JSON_VALUE.')(.*)}s';
if (!preg_match($regex, $this->contents, $matches)) {
return false;
}
$links = $matches[3];
if (isset($data[$type][$package])) {
// update existing link
$packageRegex = str_replace('/', '\\\\?/', preg_quote($package));
$links = preg_replace('{"'.$packageRegex.'"(\s*:\s*)'.self::$JSON_STRING.'}i', addcslashes(JsonFile::encode($package).'${1}"'.$constraint.'"', '\\'), $links);
} else {
if (preg_match('#^\s*\{\s*\S+.*?(\s*\}\s*)$#', $links, $match)) {
// link missing but non empty links
$links = preg_replace(
'{'.preg_quote($match[1]).'$}',
addcslashes(',' . $this->newline . $this->indent . $this->indent . JsonFile::encode($package).': '.JsonFile::encode($constraint) . $match[1], '\\'),
$links
);
} else {
// links empty
$links = '{' . $this->newline .
$this->indent . $this->indent . JsonFile::encode($package).': '.JsonFile::encode($constraint) . $this->newline .
$this->indent . '}';
}
}
$this->contents = $matches[1] . $matches[2] . $links . $matches[4];
return true;
}
@ -127,7 +137,7 @@ class JsonManipulator
$children = $match[2];
// invalid match due to un-regexable content, abort
if (!json_decode('{'.$children.'}')) {
if (!@json_decode('{'.$children.'}')) {
return false;
}
@ -190,7 +200,7 @@ class JsonManipulator
$children = $match[2];
// invalid match due to un-regexable content, abort
if (!json_decode('{'.$children.'}')) {
if (!@json_decode('{'.$children.'}')) {
return false;
}
@ -256,7 +266,7 @@ class JsonManipulator
'('.preg_quote(JsonFile::encode($key)).'\s*:\s*'.self::$JSON_VALUE.')(.*)}s';
if (preg_match($regex, $this->contents, $matches)) {
// invalid match due to un-regexable content, abort
if (!json_decode('{'.$matches[2].'}')) {
if (!@json_decode('{'.$matches[2].'}')) {
return false;
}

61
tests/Composer/Test/Json/JsonManipulatorTest.php
View File

@ -126,6 +126,67 @@ class JsonManipulatorTest extends \PHPUnit_Framework_TestCase
"vendor/baz": "qux"
}
}
'
),
array(
'{
"require": {
"foo": "bar"
},
"repositories": [{
"type": "package",
"package": {
"require": {
"foo": "bar"
}
}
}]
}',
'require',
'foo',
'qux',
'{
"require": {
"foo": "qux"
},
"repositories": [{
"type": "package",
"package": {
"require": {
"foo": "bar"
}
}
}]
}
'
),
array(
'{
"repositories": [{
"type": "package",
"package": {
"require": {
"foo": "bar"
}
}
}]
}',
'require',
'foo',
'qux',
'{
"repositories": [{
"type": "package",
"package": {
"require": {
"foo": "bar"
}
}
}],
"require": {
"foo": "qux"
}
}
'
),
);