Web + Mobile Blog / Berlin http://sebastianviereck.de/en/ PHP Freelancer Mon, 15 Oct 2018 08:26:59 +0000 en hourly 1 http://wordpress.org/?v=3.5.1 PHP encode string for extended ASCII 8 bit 255 Sign http://sebastianviereck.de/en/php-udp-encode-string-zu-extended-ascii-8bit-255-zeichen/?utm_source=rss&utm_medium=rss& http://sebastianviereck.de/en/php-udp-encode-string-zu-extended-ascii-8bit-255-zeichen/#comments Thu, 11 Oct 2018 08:00:19 +0000 Sebastian Viereck http://sebastianviereck.de/?p=3868-en Continue reading ]]> To represent also umlauts in a bit, can you get the extended ASCII character set use with 255 Sign, It contains also umlauts like ä, ö, ü und ß.

In order to use this, can I use the following function:

/**
 * @param string $string
 * @return string
 */
protected function asciiEncodeString(string $string): string
{
    $sourceEncoding = mb_detect_encoding($string);
    $destinationEncoding = 'CP437'; // Extended ASCII - Codepage 437
    $string = iconv($sourceEncoding, $destinationEncoding, $string);
    return $string;
}
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Adobe Creative Suite CS2 free download and serial number http://sebastianviereck.de/en/Adobe-creative-suite-cs2-free-download-and-serial-number/?utm_source=rss&utm_medium=rss& http://sebastianviereck.de/en/Adobe-creative-suite-cs2-free-download-and-serial-number/#comments Thu, 06 Sep 2018 08:56:40 +0000 Sebastian Viereck http://www.sebastianviereck.de/?p=3853-en Continue reading ]]> Adobe hat netter Weise die CS2 Versionen seiner Creative Suite online gestelllt.

However, it is not simply because to come. Under Windows 10 hatte ich keine Probleme mit den Programmen bis jetzt.

Download of the installer

The files can be here be downloaded, the Keys stehen jeweils neben dem Downloader.

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Tutorial: Windows data recovery with freeware software http://sebastianviereck.de/en/tutorial-windows-data-recovery-with-freeware-software/?utm_source=rss&utm_medium=rss& http://sebastianviereck.de/en/tutorial-windows-data-recovery-with-freeware-software/#comments Sun, 02 Sep 2018 08:20:50 +0000 Sebastian Viereck http://www.sebastianviereck.de/?p=3842-en Continue reading ]]> When formatted on Windows or recover deleted data want is the freeware version of EaseUS data recovery Wizard free use (also for MAC). So you can recover up to 2 GB of data, with the Pro version unlimited data. But the folder names are lost when a formatting generally permanently, aber die Daten bleiben erhalten.

After downloading and starting the program, must choose the appropriate drive:

laufwerk_auswählen

Then the drive will be scanned and it deleted and formatted files are ordered listed by file type:

scannen

 

Also you can very easily filter Office documents by type (Excel, Word, Powerpoint) and author of the document and recovers the appropriate data:

filter_powerpoint

Conclusion: EaseUS is a good program, If a good Data recovery freeware, If you want to restore a few files quickly and easily. Es stellt eine sehr gute Filter Funktion für Offcie Dokumente bereit.

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UDP with PHP send and receive sample messages http://sebastianviereck.de/en/send-UDP-with-php-news-and-receive-sample/?utm_source=rss&utm_medium=rss& http://sebastianviereck.de/en/send-UDP-with-php-news-and-receive-sample/#comments Fri, 24 Aug 2018 08:39:40 +0000 Sebastian Viereck http://www.sebastianviereck.de/?p=3832-en Continue reading ]]> With PHP you can send very simple packets over UDP on your own computer. To test this, do you need a transmitter and a receiver. Communicate both via the local IP on port in the Biepsiel 20010. Die Beispiele müssen auf der Konsole ausgeführt werden.

Transmitter:

<?php
$address = '127.0.0.1';
$port = 20010;
$beat_period = 1;

$fp = stream_socket_client("udp://$address:$port", $errno, $errstr);
if (!$fp) {
 the("ERROR: $errno - $errstr");
}

while (true) {
 $message = sprintf(
 '%s send: %s'. PHP_EOL,
 date('c'),
 rand(0, 1000000)
 );
 fwrite($FP, $message);
 echo $message;

 sleep($beat_period);
}

Receiver:

<?php

$address = '127.0.0.1';
$port = 20010;

$socket = socket_create(AF_INET, SOCK_DGRAM, SOL_UDP);
socket_set_option($socket, SOL_SOCKET, SO_REUSEADDR, 1);
socket_bind($socket, $address, $port);

ifif$socket === false) {
 throw new \RuntimeException(
 sprintf(
 'could not connect to socket address %s on port %s. Error: %s %s',
 $address,
 $poport
 socket_last_error(),
 socket_strerror(socket_last_error())
 )
 );
}

whwhiletrtrue
 echo socket_read ($socket, 1024);
}
]]>
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Read more UDP frames with PHP parallel with socket_select() http://sebastianviereck.de/en/Read-more-udp-frames-with-php-parallel-with-socket_select/?utm_source=rss&utm_medium=rss& http://sebastianviereck.de/en/Read-more-udp-frames-with-php-parallel-with-socket_select/#comments Tue, 21 Aug 2018 10:44:36 +0000 Sebastian Viereck http://www.sebastianviereck.de/?p=3823-en Continue reading ]]> You can perform operations very difficult parallel in PHP, read but for which there are multiple sockets socket_select() Function. Damit lassen sich mehrere Socket Verbindungen parallel auslesen.

The example 2 UDP socket connections created and at the same time read:

function createSocket(string $ip, int $port)
{
    $socket = socket_create(AF_INET, SOCK_DGRAM, SOL_UDP);
    //set non blocking read
    socket_set_option($socket, SOL_SOCKET, SO_REUSEADDR, 1);
    socket_bind($socket, $ip, $port);

    if ($socket === false) {
        throw new \RuntimeException(
            sprintf(
                'could not connect to socket address %s on port %s. Error: %s %s',
                $ip,
                $port,
                socket_last_error(),
                socket_strerror(socket_last_error())
                )
        );
    }
    return $socket;
}
function readSockets()
{
 $waitTimeoutSeconds = 1;

 $socket1 = $this->createSocket('127.0.0.1', 20001);
 $socket2 = $this->createSocket('127.0.0.1', 20002);

 $sockets['socket1'] = $socket1;
 $sockets['socket2'] = $socket2;

 $read = $sockets;
 $write = null;
 $except = null;

 if (socket_select($socket_select, $except, $waitTimeoutSeconds))
 {
 // loop through the sockets that showed activity
 if (isset($read['socket1'])) {
    // socket 1 got a message
    $content1 = socket_read ($socket1, 1024);
 }
 if (isset($read['socket2'])) {
    // socket 2 got a message
    $content2 = socket_read ($socket2, 1024);
 }

 } else {
 throw new \RuntimeException('could not read any socket');
 }

 socket_close($socket1);
 socket_close($socket2);
}
]]>
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Windows 10: The action cannot be completed, because the folder in another program is open http://sebastianviereck.de/en/completed-Windows-10-which-action-can-not-be-because-the-folder-is-open-in-another-program/?utm_source=rss&utm_medium=rss& http://sebastianviereck.de/en/completed-Windows-10-which-action-can-not-be-because-the-folder-is-open-in-another-program/#comments Wed, 04 Jul 2018 14:17:48 +0000 Sebastian Viereck http://www.sebastianviereck.de/?p=3816-en Continue reading ]]> With Windows comes the annoying error message:

The action cannot be completed, because the folder in another
Program is open. Close the folder and repeat the
Vorgang.

Even in the case, If you in the console (cmd) the folder is, You must go out from the folder with cd .. or close the console, dann kann man löschen.

 

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PHP-XMLReader for very large files example http://sebastianviereck.de/en/PHP-xmlreader-for-very-large-files-example/?utm_source=rss&utm_medium=rss& http://sebastianviereck.de/en/PHP-xmlreader-for-very-large-files-example/#comments Wed, 04 Jul 2018 10:25:51 +0000 Sebastian Viereck http://www.sebastianviereck.de/?p=3813-en Continue reading ]]> Around with PHP to parse large XML files, do you want to use a SAX parser, the XML reads files from top to bottom and not transforming into an object. Dafür ist der XMLReader von PHP vorgesehen.

An example:

$data = new Data();
$reader = new \XMLReader();
$reader->Open($file);

while ($reader->read()) {
    if ($reader->nodeType == \XMLReader::ELEMENT) {
        switch ($reader->name) {
            case "tagName1" :
                $node = new \SimpleXMLElement($reader->readOuterXML());
                $attributes = $node->attributes();
                $entity = new Entity();
                $entity->setId($attributes['id']);
                $entity->setName($attributes['name']);
                $entity->setCode($attributes['code']);
                $data->addEntity($entity);

                break;

            case  "tagName2":
                $node = new \SimpleXMLElement($reader->readOuterXML());
                $attributes = $node->attributes();
                $entity = new OtherEntity();
                $entity->setId($attributes['id']);
                $entity->setName($attributes['name']);
                $entity->setCode($attributes['code']);
                $data->addOtherEntity($entity);

                break;
        }
    }
}
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Microsoft IIS REST API allow by PUT, DELETE http://sebastianviereck.de/en/Microsoft-iis-rest-api-allow-put-delete/?utm_source=rss&utm_medium=rss& http://sebastianviereck.de/en/Microsoft-iis-rest-api-allow-put-delete/#comments Mon, 02 Jul 2018 08:06:43 +0000 Sebastian Viereck http://www.sebastianviereck.de/?p=3809-en Continue reading ]]> To the IIS 7.5 all HTTP verbs like PUT, POST, DELETE and PATCH to enable, need to disable the following modules and handlers in the web.config:

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
    <system.webServer>
      <modules>
         <remove name="WebDAVModule" />
      </modules>
        <handlers>
            <remove name="WebDAV" />
            <remove name="OPTIONSVerbHandler" />
            <remove name="TRACEVerbHandler" />
        </handlers>
    </system.webServer>
</configuration>
]]>
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Microsoft IIS SSL certificate create for localhost for chrome 60 with SAN http://sebastianviereck.de/en/to-build-microsoft-iis-for-chrome-60-with-san-SSL-certificate-for-localhost/?utm_source=rss&utm_medium=rss& http://sebastianviereck.de/en/to-build-microsoft-iis-for-chrome-60-with-san-SSL-certificate-for-localhost/#comments Mon, 02 Jul 2018 08:04:21 +0000 Sebastian Viereck http://www.sebastianviereck.de/?p=3807-en Continue reading ]]> To create a certificate for IIS under IIS, should you create a SSL certificate with openssl (comes with GIT in C:\Program FilesGitusrbin).

With the two commands, you can create a .pfx file, also see chrome 60 He runs on option chrome://flags/#allow-insecure-localhost.

openssl req  -newkey rsa:2048 -x509   -nodes -keyout server.key  -new  -out server.crt  -subj /CN=localhost  -reqexts SAN -extensions SAN  -config openssl.cnf -sha256 -days 36500
openssl pkcs12 -export -out server.pfx -inkey server.key -in server.crt

You need a configuration file OpenSSL.cnf:

#
# OpenSSL example configuration file.
# This is mostly being used for generation of certificate requests.
#

# This definition stops the following lines choking if HOME isn't
# defined.
HOME            = .
RANDFILE        = $ENV::HOME/.rnd

# Extra OBJECT IDENTIFIER info:
#oid_file        = $ENV::HOME/.oid
oid_section        = new_oids

# To use this configuration file with the "-extfile" option of the
# "openssl x509" utility, name here the section containing the
# X.509v3 extensions to use:
# extensions        = 
# (Alternatively, use a configuration file that has only
# X.509v3 extensions in its main [= default] section.)

[ new_oids ]

# We can add new OIDs in here for use by 'ca', 'req' and 'ts'.
# Add a simple OID like this:
# testoid1=1.2.3.4
# Or use config file substitution like this:
# testoid2=${testoid1}.5.6

# Policies used by the TSA examples.
tsa_policy1 = 1.2.3.4.1
tsa_policy2 = 1.2.3.4.5.6
tsa_policy3 = 1.2.3.4.5.7

####################################################################
[ as ]
default_ca    = CA_default        # The default ca section

####################################################################
[ CA_default ]

dir        = /usr/ssl        # Where everything is kept
certs        = $dir/certs        # Where the issued certs are kept
crl_dir        = $dir/crl        # Where the issued crl are kept
database    = $dir/index.txt    # database index file.
#unique_subject    = no            # Set to 'no' to allow creation of
                    # several ctificates with same subject.
new_certs_dir    = $dir/newcerts        # default place for new certs.

certificate    = $dir/cacert.pem     # The CA certificate
serial        = $dir/serial         # The current serial number
crlnumber    = $dir/crlnumber    # the current crl number
                    # must be commented out to leave a V1 CRL
crl        = $dir/crl.pem         # The current CRL
private_key    = $dir/private/cakey.pem# The private key
RANDFILE    = $dir/private/.rand    # private random number file

x509_extensions    = usr_cert        # The extentions to add to the cert

# Comment out the following two lines for the "traditional"
# (and highly broken) format.
name_opt     = ca_default        # Subject Name options
cert_opt     = ca_default        # Certificate field options

# Extension copying option: use with caution.
# copy_extensions = copy

# Extensions to add to a CRL. Note: Netscape communicator chokes on V2 CRLs
# so this is commented out by default to leave a V1 CRL.
# crlnumber must also be commented out to leave a V1 CRL.
# crl_extensions    = crl_ext

default_days    = 365            # how long to certify for
default_crl_days= 30            # how long before next CRL
default_md    = default        # use public key default MD
preserve    = no            # keep passed DN ordering

# A few difference way of specifying how similar the request should look
# For type CA, the listed attributes must be the same, and the optional
# and supplied fields are just that :-) 
policy        = policy_match

# For the CA policy
[ policy_match ]
countryName        = match
stateOrProvinceName    = match
organizationName    = match
organizationalUnitName    = optional
commonName        = supplied
emailAddress        = optional

# For the 'anything' policy
# At this point in time, you must list all acceptable 'object'
# types.
[ policy_anything ]
countryName        = optional
stateOrProvinceName    = optional
localityName        = optional
organizationName    = optional
organizationalUnitName    = optional
commonName        = supplied
emailAddress        = optional

####################################################################
[ req ]
default_bits        = 2048
default_keyfile     = privkey.pem
distinguished_name    = req_distinguished_name
attributes        = req_attributes
x509_extensions    = v3_ca    # The extentions to add to the self signed cert

# Passwords for private keys if not present they will be prompted for
# input_password = secret
# output_password = secret

# This sets a mask for permitted string types. There are several options. 
# default: PrintableString, T61String, BMPString.
# pkix     : PrintableString, BMPString (PKIX recommendation before 2004)
# utf8only: only UTF8Strings (PKIX recommendation after 2004).
# nombstr : PrintableString, T61String (no BMPStrings or UTF8Strings).
# MASK:XXXX a literal mask value.
# WARNING: ancient versions of Netscape crash on BMPStrings or UTF8Strings.
string_mask = utf8only

# req_extensions = v3_req # The extensions to add to a certificate request

[ req_distinguished_name ]
countryName            = Country Name (2 letter code)
countryName_default        = AU
countryName_min            = 2
countryName_max            = 2

stateOrProvinceName        = State or Province Name (full name)
stateOrProvinceName_default    = Some-State

localityName            = Locality Name (eg, city)

0.organizationName        = Organization Name (eg, company)
0.organizationName_default    = Internet Widgits Pty Ltd

# we can do this but it is not needed normally :-) 
#1.organizationName        = Second Organization Name (eg, company)
#1.organizationName_default    = World Wide Web Pty Ltd

organizationalUnitName        = Organizational Unit Name (eg, section)
#organizationalUnitName_default    =

commonName            = Common Name (e.g. server FQDN or YOUR name)
commonName_max            = 64

emailAddress            = Email Address
emailAddress_max        = 64

# SET-ex3            = SET extension number 3

[ req_attributes ]
challengePassword        = A challenge password
challengePassword_min        = 4
challengePassword_max        = 20

unstructuredName        = An optional company name

[ usr_cert ]

# These extensions are added when 'ca' signs a request.

# This goes against PKIX guidelines but some CAs do it and some software
# requires this to avoid interpreting an end user certificate as a CA.

basicConstraints=CA:FALSE

# Here are some examples of the usage of nsCertType. If it is omitted
# the certificate can be used for anything *except* object signing.

# This is OK for an SSL server.
# nsCertType            = server

# For an object signing certificate this would be used.
# nsCertType = objsign

# For normal client use this is typical
# nsCertType = client, email

# and for everything including object signing:
# nsCertType = client, email, objsign

# This is typical in keyUsage for a client certificate.
# keyUsage = nonRepudiation, digitalSignature, keyEncipherment

# This will be displayed in Netscape's comment listbox.
nsComment            = "OpenSSL Generated Certificate"

# PKIX recommendations harmless if included in all certificates.
subjectKeyIdentifier=hash
authorityKeyIdentifier=keyid,issuer

# This stuff is for subjectAltName and issuerAltname.
# Import the email address.
# subjectAltName=email:copy
# An alternative to produce certificates that aren't
# deprecated according to PKIX.
# subjectAltName=email:move

# Copy subject details
# issuerAltName=issuer:copy

#nsCaRevocationUrl        = http://www.domain.dom/ca-crl.pem
#nsBaseUrl
#nsRevocationUrl
#nsRenewalUrl
#nsCaPolicyUrl
#nsSslServerName

# This is required for TSA certificates.
# extendedKeyUsage = critical,timeStamping

[ v3_req ]

# Extensions to add to a certificate request

basicConstraints = CA:FALSE
keyUsage = nonRepudiation, digitalSignature, keyEncipherment

[ v3_ca ]

# Extensions for a typical CA

# PKIX recommendation.

subjectKeyIdentifier=hash

authorityKeyIdentifier=keyid:always,issuer

# This is what PKIX recommends but some broken software chokes on critical
# extensions.
#basicConstraints = critical,CA:true
# So we do this instead.
basicConstraints = CA:true

# Key usage: this is typical for a CA certificate. However since it will
# prevent it being used as an test self-signed certificate it is best
# left out by default.
# keyUsage = cRLSign, keyCertSign

# Some might want this also
# nsCertType = sslCA, emailCA

# Include email address in subject alt name: another PKIX recommendation
# subjectAltName=email:copy
# Copy issuer details
# issuerAltName=issuer:copy

# DER hex encoding of an extension: beware experts only!
# obj=DER:02:03
# Where 'obj' is a standard or added object
# You can even override a supported extension:
# basicConstraints= critical, DER:30:03:01:01:FF

[ crl_ext ]

# CRL extensions.
# Only issuerAltName and authorityKeyIdentifier make any sense in a CRL.

# issuerAltName=issuer:copy
authorityKeyIdentifier=keyid:always

[ proxy_cert_ext ]
# These extensions should be added when creating a proxy certificate

# This goes against PKIX guidelines but some CAs do it and some software
# requires this to avoid interpreting an end user certificate as a CA.

basicConstraints=CA:FALSE

# Here are some examples of the usage of nsCertType. If it is omitted
# the certificate can be used for anything *except* object signing.

# This is OK for an SSL server.
# nsCertType            = server

# For an object signing certificate this would be used.
# nsCertType = objsign

# For normal client use this is typical
# nsCertType = client, email

# and for everything including object signing:
# nsCertType = client, email, objsign

# This is typical in keyUsage for a client certificate.
# keyUsage = nonRepudiation, digitalSignature, keyEncipherment

# This will be displayed in Netscape's comment listbox.
nsComment            = "OpenSSL Generated Certificate"

# PKIX recommendations harmless if included in all certificates.
subjectKeyIdentifier=hash
authorityKeyIdentifier=keyid,issuer

# This stuff is for subjectAltName and issuerAltname.
# Import the email address.
# subjectAltName=email:copy
# An alternative to produce certificates that aren't
# deprecated according to PKIX.
# subjectAltName=email:move

# Copy subject details
# issuerAltName=issuer:copy

#nsCaRevocationUrl        = http://www.domain.dom/ca-crl.pem
#nsBaseUrl
#nsRevocationUrl
#nsRenewalUrl
#nsCaPolicyUrl
#nsSslServerName

# This really needs to be in place for it to be a proxy certificate.
proxyCertInfo=critical,language:id-ppl-anyLanguage,pathlen:3,policy:foo

####################################################################
[ tsa ]

default_tsa = tsa_config1    # the default TSA section

[ tsa_config1 ]

# These are used by the TSA reply generation only.
dir        = ./demoCA        # TSA root directory
serial        = $dir/tsaserial    # The current serial number (mandatory)
crypto_device    = builtin        # OpenSSL engine to use for signing
signer_cert    = $dir/tsacert.pem     # The TSA signing certificate
                    # (optional)
certs        = $dir/cacert.pem    # Certificate chain to include in reply
                    # (optional)
signer_key    = $dir/private/tsakey.pem # The TSA private key (optional)

default_policy    = tsa_policy1        # Policy if request did not specify it
                    # (optional)
other_policies    = tsa_policy2, tsa_policy3    # acceptable policies (optional)
digests        = md5, sha1        # Acceptable message digests (mandatory)
accuracy    = secs:1, millisecs:500, microsecs:100    # (optional)
clock_precision_digits  = 0    # number of digits after dot. (optional)
ordering        = yes    # Is ordering defined for timestamps?
                # (optional, default: no)
tsa_name        = yes    # Must the TSA name be included in the reply?
                # (optional, default: no)
ess_cert_id_chain    = no    # Must the ESS cert id chain be included?
                # (optional, default: no)

[SAN]
subjectAltName=DNS:localhost
]]>
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Twig extension to sort of entities by DateTime property http://sebastianviereck.de/en/twig-extension-sort-of-entitaeen-datetime/?utm_source=rss&utm_medium=rss& http://sebastianviereck.de/en/twig-extension-sort-of-entitaeen-datetime/#comments Thu, 17 May 2018 14:02:33 +0000 Sebastian Viereck http://www.sebastianviereck.de/?p=3791-en Continue reading ]]> If one wants to sort a collection of doctrine in the template after a time stamp (createdAt the example), sollte man dies eigentlich vorher machen.

If this is not possible, e.g.. in the Sonata Admin Bundle, then you can use this twig extension:

{% foo| sortByCreatedAt('asc') %}

Twig extension code:

<?php

namespace App\Twig;

use App\Entity\Tag;
use Doctrine\ORM\PersistentCollection;
use Twig\Extension\AbstractExtension;
use Twig\TwigFilter;

class AppExtension extends AbstractExtension
{
    public function getFilters()
    {
        return array(
            new TwigFilter('sortByCreatedAt', array($this, 'sortByCreatedAt')),
        );
    }

    /**
     * @param PersistentCollection $objects
     * @return mixed
     */
    public function sortByCreatedAt($objects, $direction = 'asc')
    {
        $objects = $objects->toArray();
        usort($objects, function ($a, $b) use($direction) {
            if ($direction === 'asc') {
                return $a->getCreatedAt() >  $b->getCreatedAt();
            } elseif ($direction === 'desc') {
                return $a->getCreatedAt() <  $b->getCreatedAt();
            } else {
                throw new \Exception('unknown sort direction');
            }

        });
        return $objects;
    }
}
]]>
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