diff --git a/packages/strapi-plugin-upload/services/Upload.js b/packages/strapi-plugin-upload/services/Upload.js
index c3fdc41d4a..c4d79d3441 100644
--- a/packages/strapi-plugin-upload/services/Upload.js
+++ b/packages/strapi-plugin-upload/services/Upload.js
@@ -7,10 +7,21 @@
  */
 
 const fs = require('fs');
+const crypto = require('crypto');
 const _ = require('lodash');
 const toArray = require('stream-to-array');
 const uuid = require('uuid/v4');
 
+function niceHash(buffer) {
+  return crypto
+    .createHash('sha256')
+    .update(buffer)
+    .digest('base64')
+    .replace(/=/g, '')
+    .replace(/\//g, '-')
+    .replace(/\+/, '_');
+}
+
 module.exports = {
   bufferize: async files => {
     if (_.isEmpty(files) === 0) {
@@ -23,28 +34,22 @@ module.exports = {
     // transform all files in buffer
     return Promise.all(
       files.map(async stream => {
-        const parts = stream.path
-          ? await toArray(fs.createReadStream(stream.path))
-          : await toArray(stream.stream);
-
+        const parts = await toArray(fs.createReadStream(stream.path));
         const buffers = parts.map(
           part => (_.isBuffer(part) ? part : Buffer.from(part)),
         );
 
-        if (!stream.path) {
-          stream.name = stream.filename;
-          stream.type = stream.mimetype;
-          stream.size = parseInt(stream.encoding.replace('bit', ''));
-        }
+        const buffer = Buffer.concat(buffers);
 
         return {
           name: stream.name,
+          sha256: niceHash(buffer),
           hash: uuid().replace(/-/g, ''),
           ext:
             stream.name.split('.').length > 1
               ? `.${_.last(stream.name.split('.'))}`
               : '',
-          buffer: Buffer.concat(buffers),
+          buffer,
           mime: stream.type,
           size: (stream.size / 1000).toFixed(2),
         };
diff --git a/packages/strapi/lib/Strapi.js b/packages/strapi/lib/Strapi.js
index c073cfdad3..c830eca734 100755
--- a/packages/strapi/lib/Strapi.js
+++ b/packages/strapi/lib/Strapi.js
@@ -111,27 +111,21 @@ class Strapi extends EventEmitter {
       // Update source admin.
       await admin.call(this);
       // Launch server.
-      this.server.listen(this.config.port, err => {
+      this.server.listen(this.config.port, async (err) => {
         if (err) {
-          this.log.debug('⚠️ Server wasn\'t able to start properly.');
+          this.log.debug(`⚠️ Server wasn't able to start properly.`);
           this.log.error(err);
           return this.stop();
         }
 
         this.log.info('Time: ' + new Date());
-        this.log.info(
-          'Launched in: ' + (Date.now() - this.config.launchedAt) + ' ms',
-        );
+        this.log.info('Launched in: ' + (Date.now() - this.config.launchedAt) + ' ms');
         this.log.info('Environment: ' + this.config.environment);
         this.log.info('Process PID: ' + process.pid);
-        this.log.info(
-          `Version: ${this.config.info.strapi} (node v${
-            this.config.info.node
-          })`,
-        );
+        this.log.info(`Version: ${this.config.info.strapi} (node v${this.config.info.node})`);
         this.log.info('To shut down your server, press <CTRL> + C at any time');
         console.log();
-        this.log.info(`☄️  Admin panel: ${this.config.url}/admin`);
+        this.log.info(`☄️  Admin panel: ${this.config.admin.url}`);
         this.log.info(`⚡️ Server: ${this.config.url}`);
         console.log();
 
@@ -141,11 +135,15 @@ class Strapi extends EventEmitter {
         if (cb && typeof cb === 'function') {
           cb();
         }
+
+        if (this.config.environment === 'development' && get(this.config.currentEnvironment, 'server.admin.autoOpen', true) !== false) {
+          await utils.openBrowser.call(this);
+        }
       });
     } catch (err) {
-      this.log.debug('⛔️ Server wasn\'t able to start properly.');
+      this.log.debug(`⛔️ Server wasn't able to start properly.`);
       this.log.error(err);
-      console.error(err);
+      console.log(err);
       this.stop();
     }
   }
@@ -157,17 +155,15 @@ class Strapi extends EventEmitter {
       const key = conn.remoteAddress + ':' + conn.remotePort;
       connections[key] = conn;
 
-      conn.on('close', function() {
+      conn.on('close', function () {
         delete connections[key];
       });
     });
 
     this.server.on('error', err => {
       if (err.code === 'EADDRINUSE') {
-        this.log.debug('⛔️ Server wasn\'t able to start properly.');
-        this.log.error(
-          `The port ${err.port} is already used by another application.`,
-        );
+        this.log.debug(`⛔️ Server wasn't able to start properly.`);
+        this.log.error(`The port ${err.port} is already used by another application.`);
         this.stop();
         return;
       }
@@ -191,8 +187,7 @@ class Strapi extends EventEmitter {
     if (
       cluster.isWorker &&
       this.config.environment === 'development' &&
-      get(this.config, 'currentEnvironment.server.autoReload.enabled', true) ===
-        true
+      get(this.config, 'currentEnvironment.server.autoReload.enabled', true) === true
     ) {
       process.send('stop');
     }
@@ -231,10 +226,7 @@ class Strapi extends EventEmitter {
     await store.call(this);
 
     // Initialize hooks and middlewares.
-    await Promise.all([
-      initializeMiddlewares.call(this),
-      initializeHooks.call(this),
-    ]);
+    await Promise.all([initializeMiddlewares.call(this), initializeHooks.call(this)]);
 
     // Harmonize plugins configuration.
     await plugins.call(this);
@@ -245,7 +237,7 @@ class Strapi extends EventEmitter {
       shouldReload: 0
     };
 
-    const reload = function() {
+    const reload = function () {
       if (state.shouldReload > 0) {
         // Reset the reloading state
         state.shouldReload -= 1;
@@ -256,11 +248,7 @@ class Strapi extends EventEmitter {
       if (
         cluster.isWorker &&
         this.config.environment === 'development' &&
-        get(
-          this.config,
-          'currentEnvironment.server.autoReload.enabled',
-          true,
-        ) === true
+        get(this.config, 'currentEnvironment.server.autoReload.enabled', true) === true
       ) {
         process.send('reload');
       }
@@ -295,8 +283,8 @@ class Strapi extends EventEmitter {
           const timeoutMs = this.config.bootstrapTimeout || 3500;
           const timer = setTimeout(() => {
             this.log.warn(
-                `Bootstrap is taking unusually long to execute its callback ${timeoutMs} miliseconds).`,
-              );
+              `Bootstrap is taking unusually long to execute its callback ${timeoutMs} miliseconds).`,
+            );
             this.log.warn('Perhaps you forgot to call it?');
           }, timeoutMs);
 
@@ -305,9 +293,7 @@ class Strapi extends EventEmitter {
           try {
             fn(err => {
               if (ranBootstrapFn) {
-                this.log.error(
-                    'You called the callback in `strapi.config.boostrap` more than once!',
-                  );
+                this.log.error('You called the callback in `strapi.config.boostrap` more than once!');
 
                 return reject();
               }
@@ -319,9 +305,7 @@ class Strapi extends EventEmitter {
             });
           } catch (e) {
             if (ranBootstrapFn) {
-              this.log.error(
-                  'The bootstrap function threw an error after its callback was called.',
-                );
+              this.log.error('The bootstrap function threw an error after its callback was called.');
 
               return reject(e);
             }
@@ -334,9 +318,7 @@ class Strapi extends EventEmitter {
         });
 
     return Promise.all(
-      Object.values(this.plugins).map(x =>
-        execBootstrap(get(x, 'config.functions.bootstrap')),
-      ),
+      Object.values(this.plugins).map(x => execBootstrap(get(x, 'config.functions.bootstrap'))),
     ).then(() => execBootstrap(this.config.functions.bootstrap));
   }
 
@@ -356,16 +338,14 @@ class Strapi extends EventEmitter {
   query(entity, plugin) {
     if (!entity) {
       return this.log.error(
-        'You can\'t call the query method without passing the model\'s name as a first argument.',
+        `You can't call the query method without passing the model's name as a first argument.`,
       );
     }
 
     const model = entity.toLowerCase();
 
     const Model =
-      get(strapi.plugins, [plugin, 'models', model]) ||
-      get(strapi, ['models', model]) ||
-      undefined;
+      get(strapi.plugins, [plugin, 'models', model]) || get(strapi, ['models', model]) || undefined;
 
     if (!Model) {
       return this.log.error(`The model ${model} can't be found.`);
@@ -374,9 +354,7 @@ class Strapi extends EventEmitter {
     const connector = Model.orm;
 
     if (!connector) {
-      return this.log.error(
-        `Impossible to determine the use ORM for the model ${model}.`,
-      );
+      return this.log.error(`Impossible to determine the use ORM for the model ${model}.`);
     }
 
     // Get stack trace.
@@ -388,9 +366,7 @@ class Strapi extends EventEmitter {
     let pluginPath = undefined;
 
     if (file.indexOf('strapi-plugin-') !== -1) {
-      pluginPath = file
-        .split(path.sep)
-        .filter(x => x.indexOf('strapi-plugin-') !== -1)[0];
+      pluginPath = file.split(path.sep).filter(x => x.indexOf('strapi-plugin-') !== -1)[0];
     } else if (file.indexOf(path.sep + 'plugins' + path.sep) !== -1) {
       const pathTerms = file.split(path.sep);
       const index = pathTerms.indexOf('plugins');
@@ -401,22 +377,15 @@ class Strapi extends EventEmitter {
     }
 
     if (!pluginPath) {
-      return this.log.error(
-        'Impossible to find the plugin where `strapi.query` has been called.',
-      );
+      return this.log.error('Impossible to find the plugin where `strapi.query` has been called.');
     }
 
     // Get plugin name.
     const pluginName = pluginPath.replace('strapi-plugin-', '').toLowerCase();
-    const queries = get(
-      this.plugins,
-      `${pluginName}.config.queries.${connector}`,
-    );
+    const queries = get(this.plugins, `${pluginName}.config.queries.${connector}`);
 
     if (!queries) {
-      return this.log.error(
-        `There is no query available for the model ${model}.`,
-      );
+      return this.log.error(`There is no query available for the model ${model}.`);
     }
 
     // Bind queries with the current model to allow the use of `this`.
@@ -427,7 +396,7 @@ class Strapi extends EventEmitter {
       {
         orm: connector,
         primaryKey: Model.primaryKey,
-        associations: Model.associations,
+        associations: Model.associations
       },
     );
 
@@ -435,4 +404,4 @@ class Strapi extends EventEmitter {
   }
 }
 
-module.exports = new Strapi();
+module.exports = new Strapi();
\ No newline at end of file