initial sabre upgrade (needs lots of work - to wit: authentication, redo the browser interface, and rework event export/import)

5 files changed, 624 insertions, 0 deletions

diff --git a/vendor/sabre/vobject/lib/Property/VCard/Date.php b/vendor/sabre/vobject/lib/Property/VCard/Date.php
new file mode 100644
index 000000000..1ef6dff34
--- /dev/null
+++ b/vendor/sabre/vobject/lib/Property/VCard/Date.php
@@ -0,0 +1,43 @@
+<?php
+
+namespace Sabre\VObject\Property\VCard;
+
+/**
+ * Date property.
+ *
+ * This object encodes vCard DATE values.
+ *
+ * @copyright Copyright (C) fruux GmbH (https://fruux.com/)
+ * @author Evert Pot (http://evertpot.com/)
+ * @license http://sabre.io/license/ Modified BSD License
+ */
+class Date extends DateAndOrTime {
+
+    /**
+     * Returns the type of value.
+     *
+     * This corresponds to the VALUE= parameter. Every property also has a
+     * 'default' valueType.
+     *
+     * @return string
+     */
+    function getValueType() {
+
+        return 'DATE';
+
+    }
+
+    /**
+     * Sets the property as a DateTime object.
+     *
+     * @param \DateTimeInterface $dt
+     *
+     * @return void
+     */
+    function setDateTime(\DateTimeInterface $dt) {
+
+        $this->value = $dt->format('Ymd');
+
+    }
+
+}
diff --git a/vendor/sabre/vobject/lib/Property/VCard/DateAndOrTime.php b/vendor/sabre/vobject/lib/Property/VCard/DateAndOrTime.php
new file mode 100644
index 000000000..650e19cbf
--- /dev/null
+++ b/vendor/sabre/vobject/lib/Property/VCard/DateAndOrTime.php
@@ -0,0 +1,405 @@
+<?php
+
+namespace Sabre\VObject\Property\VCard;
+
+use DateTimeInterface;
+use DateTimeImmutable;
+use DateTime;
+use Sabre\VObject\DateTimeParser;
+use Sabre\VObject\InvalidDataException;
+use Sabre\VObject\Property;
+use Sabre\Xml;
+
+/**
+ * DateAndOrTime property.
+ *
+ * This object encodes DATE-AND-OR-TIME values.
+ *
+ * @copyright Copyright (C) fruux GmbH (https://fruux.com/)
+ * @author Evert Pot (http://evertpot.com/)
+ * @license http://sabre.io/license/ Modified BSD License
+ */
+class DateAndOrTime extends Property {
+
+    /**
+     * Field separator.
+     *
+     * @var null|string
+     */
+    public $delimiter = null;
+
+    /**
+     * Returns the type of value.
+     *
+     * This corresponds to the VALUE= parameter. Every property also has a
+     * 'default' valueType.
+     *
+     * @return string
+     */
+    function getValueType() {
+
+        return 'DATE-AND-OR-TIME';
+
+    }
+
+    /**
+     * Sets a multi-valued property.
+     *
+     * You may also specify DateTime objects here.
+     *
+     * @param array $parts
+     *
+     * @return void
+     */
+    function setParts(array $parts) {
+
+        if (count($parts) > 1) {
+            throw new \InvalidArgumentException('Only one value allowed');
+        }
+        if (isset($parts[0]) && $parts[0] instanceof \DateTime) {
+            $this->setDateTime($parts[0]);
+        } else {
+            parent::setParts($parts);
+        }
+
+    }
+
+    /**
+     * Updates the current value.
+     *
+     * This may be either a single, or multiple strings in an array.
+     *
+     * Instead of strings, you may also use DateTime here.
+     *
+     * @param string|array|\DateTime $value
+     *
+     * @return void
+     */
+    function setValue($value) {
+
+        if ($value instanceof \DateTime) {
+            $this->setDateTime($value);
+        } else {
+            parent::setValue($value);
+        }
+
+    }
+
+    /**
+     * Sets the property as a DateTime object.
+     *
+     * @param DateTimeInterface $dt
+     *
+     * @return void
+     */
+    function setDateTime(DateTimeInterface $dt) {
+
+        $tz = $dt->getTimeZone();
+        $isUtc = in_array($tz->getName(), ['UTC', 'GMT', 'Z']);
+
+        if ($isUtc) {
+            $value = $dt->format('Ymd\\THis\\Z');
+        } else {
+            // Calculating the offset.
+            $value = $dt->format('Ymd\\THisO');
+        }
+
+        $this->value = $value;
+
+    }
+
+    /**
+     * Returns a date-time value.
+     *
+     * Note that if this property contained more than 1 date-time, only the
+     * first will be returned. To get an array with multiple values, call
+     * getDateTimes.
+     *
+     * If no time was specified, we will always use midnight (in the default
+     * timezone) as the time.
+     *
+     * If parts of the date were omitted, such as the year, we will grab the
+     * current values for those. So at the time of writing, if the year was
+     * omitted, we would have filled in 2014.
+     *
+     * @return DateTimeImmutable
+     */
+    function getDateTime() {
+
+        $now = new DateTime();
+
+        $tzFormat = $now->getTimezone()->getOffset($now) === 0 ? '\\Z' : 'O';
+        $nowParts = DateTimeParser::parseVCardDateTime($now->format('Ymd\\This' . $tzFormat));
+
+        $dateParts = DateTimeParser::parseVCardDateTime($this->getValue());
+
+        // This sets all the missing parts to the current date/time.
+        // So if the year was missing for a birthday, we're making it 'this
+        // year'.
+        foreach ($dateParts as $k => $v) {
+            if (is_null($v)) {
+                $dateParts[$k] = $nowParts[$k];
+            }
+        }
+        return new DateTimeImmutable("$dateParts[year]-$dateParts[month]-$dateParts[date] $dateParts[hour]:$dateParts[minute]:$dateParts[second] $dateParts[timezone]");
+
+    }
+
+    /**
+     * Returns the value, in the format it should be encoded for json.
+     *
+     * This method must always return an array.
+     *
+     * @return array
+     */
+    function getJsonValue() {
+
+        $parts = DateTimeParser::parseVCardDateTime($this->getValue());
+
+        $dateStr = '';
+
+        // Year
+        if (!is_null($parts['year'])) {
+
+            $dateStr .= $parts['year'];
+
+            if (!is_null($parts['month'])) {
+                // If a year and a month is set, we need to insert a separator
+                // dash.
+                $dateStr .= '-';
+            }
+
+        } else {
+
+            if (!is_null($parts['month']) || !is_null($parts['date'])) {
+                // Inserting two dashes
+                $dateStr .= '--';
+            }
+
+        }
+
+        // Month
+        if (!is_null($parts['month'])) {
+
+            $dateStr .= $parts['month'];
+
+            if (isset($parts['date'])) {
+                // If month and date are set, we need the separator dash.
+                $dateStr .= '-';
+            }
+
+        } elseif (isset($parts['date'])) {
+            // If the month is empty, and a date is set, we need a 'empty
+            // dash'
+            $dateStr .= '-';
+        }
+
+        // Date
+        if (!is_null($parts['date'])) {
+            $dateStr .= $parts['date'];
+        }
+
+
+        // Early exit if we don't have a time string.
+        if (is_null($parts['hour']) && is_null($parts['minute']) && is_null($parts['second'])) {
+            return [$dateStr];
+        }
+
+        $dateStr .= 'T';
+
+        // Hour
+        if (!is_null($parts['hour'])) {
+
+            $dateStr .= $parts['hour'];
+
+            if (!is_null($parts['minute'])) {
+                $dateStr .= ':';
+            }
+
+        } else {
+            // We know either minute or second _must_ be set, so we insert a
+            // dash for an empty value.
+            $dateStr .= '-';
+        }
+
+        // Minute
+        if (!is_null($parts['minute'])) {
+
+            $dateStr .= $parts['minute'];
+
+            if (!is_null($parts['second'])) {
+                $dateStr .= ':';
+            }
+
+        } elseif (isset($parts['second'])) {
+            // Dash for empty minute
+            $dateStr .= '-';
+        }
+
+        // Second
+        if (!is_null($parts['second'])) {
+            $dateStr .= $parts['second'];
+        }
+
+        // Timezone
+        if (!is_null($parts['timezone'])) {
+            $dateStr .= $parts['timezone'];
+        }
+
+        return [$dateStr];
+
+    }
+
+    /**
+     * This method serializes only the value of a property. This is used to
+     * create xCard or xCal documents.
+     *
+     * @param Xml\Writer $writer  XML writer.
+     *
+     * @return void
+     */
+    protected function xmlSerializeValue(Xml\Writer $writer) {
+
+        $valueType = strtolower($this->getValueType());
+        $parts     = DateTimeParser::parseVCardDateAndOrTime($this->getValue());
+        $value     = '';
+
+        // $d = defined
+        $d = function($part) use ($parts) {
+            return !is_null($parts[$part]);
+        };
+
+        // $r = read
+        $r = function($part) use ($parts) {
+            return $parts[$part];
+        };
+
+        // From the Relax NG Schema.
+        //
+        // # 4.3.1
+        // value-date = element date {
+        //     xsd:string { pattern = "\d{8}|\d{4}-\d\d|--\d\d(\d\d)?|---\d\d" }
+        //   }
+        if (($d('year') ||  $d('month')  ||  $d('date'))
+            && (!$d('hour') && !$d('minute') && !$d('second') && !$d('timezone'))) {
+
+            if ($d('year') && $d('month') && $d('date')) {
+                $value .= $r('year') . $r('month') . $r('date');
+            } elseif ($d('year') && $d('month') && !$d('date')) {
+                $value .= $r('year') . '-' . $r('month');
+            } elseif (!$d('year') && $d('month')) {
+                $value .= '--' . $r('month') . $r('date');
+            } elseif (!$d('year') && !$d('month') && $d('date')) {
+                $value .= '---' . $r('date');
+            }
+
+        // # 4.3.2
+        // value-time = element time {
+        //     xsd:string { pattern = "(\d\d(\d\d(\d\d)?)?|-\d\d(\d\d?)|--\d\d)"
+        //                          ~ "(Z|[+\-]\d\d(\d\d)?)?" }
+        //   }
+        } elseif ((!$d('year') && !$d('month')  && !$d('date'))
+                  && ($d('hour') ||  $d('minute') ||  $d('second'))) {
+
+            if ($d('hour')) {
+                $value .= $r('hour') . $r('minute') . $r('second');
+            } elseif ($d('minute')) {
+                $value .= '-' . $r('minute') . $r('second');
+            } elseif ($d('second')) {
+                $value .= '--' . $r('second');
+            }
+
+            $value .= $r('timezone');
+
+        // # 4.3.3
+        // value-date-time = element date-time {
+        //     xsd:string { pattern = "(\d{8}|--\d{4}|---\d\d)T\d\d(\d\d(\d\d)?)?"
+        //                          ~ "(Z|[+\-]\d\d(\d\d)?)?" }
+        //   }
+        } elseif ($d('date') && $d('hour')) {
+
+            if ($d('year') && $d('month') && $d('date')) {
+                $value .= $r('year') . $r('month') . $r('date');
+            } elseif (!$d('year') && $d('month') && $d('date')) {
+                $value .= '--' . $r('month') . $r('date');
+            } elseif (!$d('year') && !$d('month') && $d('date')) {
+                $value .= '---' . $r('date');
+            }
+
+            $value .= 'T' . $r('hour') . $r('minute') . $r('second') .
+                      $r('timezone');
+
+        }
+
+        $writer->writeElement($valueType, $value);
+
+    }
+
+    /**
+     * Sets a raw value coming from a mimedir (iCalendar/vCard) file.
+     *
+     * This has been 'unfolded', so only 1 line will be passed. Unescaping is
+     * not yet done, but parameters are not included.
+     *
+     * @param string $val
+     *
+     * @return void
+     */
+    function setRawMimeDirValue($val) {
+
+        $this->setValue($val);
+
+    }
+
+    /**
+     * Returns a raw mime-dir representation of the value.
+     *
+     * @return string
+     */
+    function getRawMimeDirValue() {
+
+        return implode($this->delimiter, $this->getParts());
+
+    }
+
+    /**
+     * Validates the node for correctness.
+     *
+     * The following options are supported:
+     *   Node::REPAIR - May attempt to automatically repair the problem.
+     *
+     * This method returns an array with detected problems.
+     * Every element has the following properties:
+     *
+     *  * level - problem level.
+     *  * message - A human-readable string describing the issue.
+     *  * node - A reference to the problematic node.
+     *
+     * The level means:
+     *   1 - The issue was repaired (only happens if REPAIR was turned on)
+     *   2 - An inconsequential issue
+     *   3 - A severe issue.
+     *
+     * @param int $options
+     *
+     * @return array
+     */
+    function validate($options = 0) {
+
+        $messages = parent::validate($options);
+        $value = $this->getValue();
+
+        try {
+            DateTimeParser::parseVCardDateTime($value);
+        } catch (InvalidDataException $e) {
+            $messages[] = [
+                'level'   => 3,
+                'message' => 'The supplied value (' . $value . ') is not a correct DATE-AND-OR-TIME property',
+                'node'    => $this,
+            ];
+        }
+
+        return $messages;
+
+    }
+}
diff --git a/vendor/sabre/vobject/lib/Property/VCard/DateTime.php b/vendor/sabre/vobject/lib/Property/VCard/DateTime.php
new file mode 100644
index 000000000..e7c804ca7
--- /dev/null
+++ b/vendor/sabre/vobject/lib/Property/VCard/DateTime.php
@@ -0,0 +1,30 @@
+<?php
+
+namespace Sabre\VObject\Property\VCard;
+
+/**
+ * DateTime property.
+ *
+ * This object encodes DATE-TIME values for vCards.
+ *
+ * @copyright Copyright (C) fruux GmbH (https://fruux.com/)
+ * @author Evert Pot (http://evertpot.com/)
+ * @license http://sabre.io/license/ Modified BSD License
+ */
+class DateTime extends DateAndOrTime {
+
+    /**
+     * Returns the type of value.
+     *
+     * This corresponds to the VALUE= parameter. Every property also has a
+     * 'default' valueType.
+     *
+     * @return string
+     */
+    function getValueType() {
+
+        return 'DATE-TIME';
+
+    }
+
+}
diff --git a/vendor/sabre/vobject/lib/Property/VCard/LanguageTag.php b/vendor/sabre/vobject/lib/Property/VCard/LanguageTag.php
new file mode 100644
index 000000000..aa7e9178d
--- /dev/null
+++ b/vendor/sabre/vobject/lib/Property/VCard/LanguageTag.php
@@ -0,0 +1,60 @@
+<?php
+
+namespace Sabre\VObject\Property\VCard;
+
+use
+    Sabre\VObject\Property;
+
+/**
+ * LanguageTag property.
+ *
+ * This object represents LANGUAGE-TAG values as used in vCards.
+ *
+ * @copyright Copyright (C) fruux GmbH (https://fruux.com/)
+ * @author Evert Pot (http://evertpot.com/)
+ * @license http://sabre.io/license/ Modified BSD License
+ */
+class LanguageTag extends Property {
+
+    /**
+     * Sets a raw value coming from a mimedir (iCalendar/vCard) file.
+     *
+     * This has been 'unfolded', so only 1 line will be passed. Unescaping is
+     * not yet done, but parameters are not included.
+     *
+     * @param string $val
+     *
+     * @return void
+     */
+    function setRawMimeDirValue($val) {
+
+        $this->setValue($val);
+
+    }
+
+    /**
+     * Returns a raw mime-dir representation of the value.
+     *
+     * @return string
+     */
+    function getRawMimeDirValue() {
+
+        return $this->getValue();
+
+    }
+
+    /**
+     * Returns the type of value.
+     *
+     * This corresponds to the VALUE= parameter. Every property also has a
+     * 'default' valueType.
+     *
+     * @return string
+     */
+    function getValueType() {
+
+        return 'LANGUAGE-TAG';
+
+    }
+
+}
diff --git a/vendor/sabre/vobject/lib/Property/VCard/TimeStamp.php b/vendor/sabre/vobject/lib/Property/VCard/TimeStamp.php
new file mode 100644
index 000000000..9d311f99d
--- /dev/null
+++ b/vendor/sabre/vobject/lib/Property/VCard/TimeStamp.php
@@ -0,0 +1,86 @@
+<?php
+
+namespace Sabre\VObject\Property\VCard;
+
+use Sabre\VObject\DateTimeParser;
+use Sabre\VObject\Property\Text;
+use Sabre\Xml;
+
+/**
+ * TimeStamp property.
+ *
+ * This object encodes TIMESTAMP values.
+ *
+ * @copyright Copyright (C) fruux GmbH (https://fruux.com/)
+ * @author Evert Pot (http://evertpot.com/)
+ * @license http://sabre.io/license/ Modified BSD License
+ */
+class TimeStamp extends Text {
+
+    /**
+     * In case this is a multi-value property. This string will be used as a
+     * delimiter.
+     *
+     * @var string|null
+     */
+    public $delimiter = null;
+
+    /**
+     * Returns the type of value.
+     *
+     * This corresponds to the VALUE= parameter. Every property also has a
+     * 'default' valueType.
+     *
+     * @return string
+     */
+    function getValueType() {
+
+        return 'TIMESTAMP';
+
+    }
+
+    /**
+     * Returns the value, in the format it should be encoded for json.
+     *
+     * This method must always return an array.
+     *
+     * @return array
+     */
+    function getJsonValue() {
+
+        $parts = DateTimeParser::parseVCardDateTime($this->getValue());
+
+        $dateStr =
+            $parts['year'] . '-' .
+            $parts['month'] . '-' .
+            $parts['date'] . 'T' .
+            $parts['hour'] . ':' .
+            $parts['minute'] . ':' .
+            $parts['second'];
+
+        // Timezone
+        if (!is_null($parts['timezone'])) {
+            $dateStr .= $parts['timezone'];
+        }
+
+        return [$dateStr];
+
+    }
+
+    /**
+     * This method serializes only the value of a property. This is used to
+     * create xCard or xCal documents.
+     *
+     * @param Xml\Writer $writer  XML writer.
+     *
+     * @return void
+     */
+    protected function xmlSerializeValue(Xml\Writer $writer) {
+
+        // xCard is the only XML and JSON format that has the same date and time
+        // format than vCard.
+        $valueType = strtolower($this->getValueType());
+        $writer->writeElement($valueType, $this->getValue());
+
+    }
+}